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Finding the Fourth Proportional to 60,602.40, 90,862.56 and 30,962.88

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Solution

The fourth proportional to 60,602.40, 90,862.56 and 30,962.88 is: 46,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,602.40 : 90,862.56 = 30,962.88 : x
  2. Step 2: Convert to fraction form
    60,602.40/90,862.56 = 30,962.88/x
  3. Step 3: Cross multiply
    60,602.40x = 90,862.56 × 30,962.88
  4. Step 4: Simplify right side
    60,602.40x = 2,813,366,541.77
  5. Step 5: Solve for x
    x = 2,813,366,541.77/60,602.40
  6. Step 6: Final answer
    x = 46,423.35

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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.