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Finding the Fourth Proportional to 39,591,026.20, 55,503,019.40 and 39,591,026.20

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Solution

The fourth proportional to 39,591,026.20, 55,503,019.40 and 39,591,026.20 is: 55,503,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,591,026.20 : 55,503,019.40 = 39,591,026.20 : x
  2. Step 2: Convert to fraction form
    39,591,026.20/55,503,019.40 = 39,591,026.20/x
  3. Step 3: Cross multiply
    39,591,026.20x = 55,503,019.40 × 39,591,026.20
  4. Step 4: Simplify right side
    39,591,026.20x = 2,197,421,495,244,508.50
  5. Step 5: Solve for x
    x = 2,197,421,495,244,508.50/39,591,026.20
  6. Step 6: Final answer
    x = 55,503,019.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.