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Finding the Fourth Proportional to 28,612.28, 42,943.03 and 24,897.13

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Solution

The fourth proportional to 28,612.28, 42,943.03 and 24,897.13 is: 37,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612.28 : 42,943.03 = 24,897.13 : x
  2. Step 2: Convert to fraction form
    28,612.28/42,943.03 = 24,897.13/x
  3. Step 3: Cross multiply
    28,612.28x = 42,943.03 × 24,897.13
  4. Step 4: Simplify right side
    28,612.28x = 1,069,158,030.90
  5. Step 5: Solve for x
    x = 1,069,158,030.90/28,612.28
  6. Step 6: Final answer
    x = 37,367.10

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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.