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Finding the Fourth Proportional to 61,709.61, 85,160.88 and 37,849.44

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Solution

The fourth proportional to 61,709.61, 85,160.88 and 37,849.44 is: 52,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709.61 : 85,160.88 = 37,849.44 : x
  2. Step 2: Convert to fraction form
    61,709.61/85,160.88 = 37,849.44/x
  3. Step 3: Cross multiply
    61,709.61x = 85,160.88 × 37,849.44
  4. Step 4: Simplify right side
    61,709.61x = 3,223,291,617.91
  5. Step 5: Solve for x
    x = 3,223,291,617.91/61,709.61
  6. Step 6: Final answer
    x = 52,233.22

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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.