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Finding the Fourth Proportional to 38,389,502.80, 57,472,279.80 and 34,358,424.40

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Solution

The fourth proportional to 38,389,502.80, 57,472,279.80 and 34,358,424.40 is: 51,437,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389,502.80 : 57,472,279.80 = 34,358,424.40 : x
  2. Step 2: Convert to fraction form
    38,389,502.80/57,472,279.80 = 34,358,424.40/x
  3. Step 3: Cross multiply
    38,389,502.80x = 57,472,279.80 × 34,358,424.40
  4. Step 4: Simplify right side
    38,389,502.80x = 1,974,656,980,603,947
  5. Step 5: Solve for x
    x = 1,974,656,980,603,947/38,389,502.80
  6. Step 6: Final answer
    x = 51,437,420.04

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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.