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Finding the Fourth Proportional to 62,503.81, 86,257.32 and 34,209.49

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Solution

The fourth proportional to 62,503.81, 86,257.32 and 34,209.49 is: 47,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,503.81 : 86,257.32 = 34,209.49 : x
  2. Step 2: Convert to fraction form
    62,503.81/86,257.32 = 34,209.49/x
  3. Step 3: Cross multiply
    62,503.81x = 86,257.32 × 34,209.49
  4. Step 4: Simplify right side
    62,503.81x = 2,950,818,925.97
  5. Step 5: Solve for x
    x = 2,950,818,925.97/62,503.81
  6. Step 6: Final answer
    x = 47,210.22

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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.