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Finding the Fourth Proportional to 60,877.97, 91,316.98 and 39,835.72

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Solution

The fourth proportional to 60,877.97, 91,316.98 and 39,835.72 is: 59,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,877.97 : 91,316.98 = 39,835.72 : x
  2. Step 2: Convert to fraction form
    60,877.97/91,316.98 = 39,835.72/x
  3. Step 3: Cross multiply
    60,877.97x = 91,316.98 × 39,835.72
  4. Step 4: Simplify right side
    60,877.97x = 3,637,677,189.94
  5. Step 5: Solve for x
    x = 3,637,677,189.94/60,877.97
  6. Step 6: Final answer
    x = 59,753.59

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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.