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Finding the Fourth Proportional to 60,871.10, 84,000.53 and 34,013.80

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Solution

The fourth proportional to 60,871.10, 84,000.53 and 34,013.80 is: 46,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,871.10 : 84,000.53 = 34,013.80 : x
  2. Step 2: Convert to fraction form
    60,871.10/84,000.53 = 34,013.80/x
  3. Step 3: Cross multiply
    60,871.10x = 84,000.53 × 34,013.80
  4. Step 4: Simplify right side
    60,871.10x = 2,857,177,102.35
  5. Step 5: Solve for x
    x = 2,857,177,102.35/60,871.10
  6. Step 6: Final answer
    x = 46,938.15

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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.