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Finding the Fourth Proportional to 60,515.76, 83,510.28 and 33,658.20

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Solution

The fourth proportional to 60,515.76, 83,510.28 and 33,658.20 is: 46,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515.76 : 83,510.28 = 33,658.20 : x
  2. Step 2: Convert to fraction form
    60,515.76/83,510.28 = 33,658.20/x
  3. Step 3: Cross multiply
    60,515.76x = 83,510.28 × 33,658.20
  4. Step 4: Simplify right side
    60,515.76x = 2,810,805,706.30
  5. Step 5: Solve for x
    x = 2,810,805,706.30/60,515.76
  6. Step 6: Final answer
    x = 46,447.50

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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.