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Finding the Fourth Proportional to 45,007.20, 67,008.24 and 45,007.20

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Solution

The fourth proportional to 45,007.20, 67,008.24 and 45,007.20 is: 67,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,007.20 : 67,008.24 = 45,007.20 : x
  2. Step 2: Convert to fraction form
    45,007.20/67,008.24 = 45,007.20/x
  3. Step 3: Cross multiply
    45,007.20x = 67,008.24 × 45,007.20
  4. Step 4: Simplify right side
    45,007.20x = 3,015,853,259.33
  5. Step 5: Solve for x
    x = 3,015,853,259.33/45,007.20
  6. Step 6: Final answer
    x = 67,008.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.