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Finding the Fourth Proportional to 60,871.37, 91,307.05 and 39,829.12

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Solution

The fourth proportional to 60,871.37, 91,307.05 and 39,829.12 is: 59,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,871.37 : 91,307.05 = 39,829.12 : x
  2. Step 2: Convert to fraction form
    60,871.37/91,307.05 = 39,829.12/x
  3. Step 3: Cross multiply
    60,871.37x = 91,307.05 × 39,829.12
  4. Step 4: Simplify right side
    60,871.37x = 3,636,679,123.46
  5. Step 5: Solve for x
    x = 3,636,679,123.46/60,871.37
  6. Step 6: Final answer
    x = 59,743.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.