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Finding the Fourth Proportional to 61,557.60, 84,948 and 34,700.16

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Solution

The fourth proportional to 61,557.60, 84,948 and 34,700.16 is: 47,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,557.60 : 84,948 = 34,700.16 : x
  2. Step 2: Convert to fraction form
    61,557.60/84,948 = 34,700.16/x
  3. Step 3: Cross multiply
    61,557.60x = 84,948 × 34,700.16
  4. Step 4: Simplify right side
    61,557.60x = 2,947,709,191.68
  5. Step 5: Solve for x
    x = 2,947,709,191.68/61,557.60
  6. Step 6: Final answer
    x = 47,885.38

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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.