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Finding the Fourth Proportional to 62,501.70, 86,250.22 and 34,206.78

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Solution

The fourth proportional to 62,501.70, 86,250.22 and 34,206.78 is: 47,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,501.70 : 86,250.22 = 34,206.78 : x
  2. Step 2: Convert to fraction form
    62,501.70/86,250.22 = 34,206.78/x
  3. Step 3: Cross multiply
    62,501.70x = 86,250.22 × 34,206.78
  4. Step 4: Simplify right side
    62,501.70x = 2,950,342,300.49
  5. Step 5: Solve for x
    x = 2,950,342,300.49/62,501.70
  6. Step 6: Final answer
    x = 47,204.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.