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Finding the Fourth Proportional to 38,816,250.40, 58,112,401.20 and 38,816,250.40

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Solution

The fourth proportional to 38,816,250.40, 58,112,401.20 and 38,816,250.40 is: 58,112,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816,250.40 : 58,112,401.20 = 38,816,250.40 : x
  2. Step 2: Convert to fraction form
    38,816,250.40/58,112,401.20 = 38,816,250.40/x
  3. Step 3: Cross multiply
    38,816,250.40x = 58,112,401.20 × 38,816,250.40
  4. Step 4: Simplify right side
    38,816,250.40x = 2,255,705,516,324,460.50
  5. Step 5: Solve for x
    x = 2,255,705,516,324,460.50/38,816,250.40
  6. Step 6: Final answer
    x = 58,112,401.20

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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.