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Finding the Fourth Proportional to 28,468.30, 42,601.65 and 24,810.70

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Solution

The fourth proportional to 28,468.30, 42,601.65 and 24,810.70 is: 37,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.30 : 42,601.65 = 24,810.70 : x
  2. Step 2: Convert to fraction form
    28,468.30/42,601.65 = 24,810.70/x
  3. Step 3: Cross multiply
    28,468.30x = 42,601.65 × 24,810.70
  4. Step 4: Simplify right side
    28,468.30x = 1,056,976,757.66
  5. Step 5: Solve for x
    x = 1,056,976,757.66/28,468.30
  6. Step 6: Final answer
    x = 37,128.20

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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.