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Finding the Fourth Proportional to 62,970.56, 86,901.84 and 34,675.84

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Solution

The fourth proportional to 62,970.56, 86,901.84 and 34,675.84 is: 47,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,970.56 : 86,901.84 = 34,675.84 : x
  2. Step 2: Convert to fraction form
    62,970.56/86,901.84 = 34,675.84/x
  3. Step 3: Cross multiply
    62,970.56x = 86,901.84 × 34,675.84
  4. Step 4: Simplify right side
    62,970.56x = 3,013,394,299.55
  5. Step 5: Solve for x
    x = 3,013,394,299.55/62,970.56
  6. Step 6: Final answer
    x = 47,854.02

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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.