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Finding the Fourth Proportional to 11,215,501.60, 16,823,252.40 and 11,215,501.60

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Solution

The fourth proportional to 11,215,501.60, 16,823,252.40 and 11,215,501.60 is: 16,823,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215,501.60 : 16,823,252.40 = 11,215,501.60 : x
  2. Step 2: Convert to fraction form
    11,215,501.60/16,823,252.40 = 11,215,501.60/x
  3. Step 3: Cross multiply
    11,215,501.60x = 16,823,252.40 × 11,215,501.60
  4. Step 4: Simplify right side
    11,215,501.60x = 188,681,214,209,403.81
  5. Step 5: Solve for x
    x = 188,681,214,209,403.81/11,215,501.60
  6. Step 6: Final answer
    x = 16,823,252.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.