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Finding the Fourth Proportional to 32,614.86, 45,007.70 and 18,275.28

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Solution

The fourth proportional to 32,614.86, 45,007.70 and 18,275.28 is: 25,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,614.86 : 45,007.70 = 18,275.28 : x
  2. Step 2: Convert to fraction form
    32,614.86/45,007.70 = 18,275.28/x
  3. Step 3: Cross multiply
    32,614.86x = 45,007.70 × 18,275.28
  4. Step 4: Simplify right side
    32,614.86x = 822,528,115.76
  5. Step 5: Solve for x
    x = 822,528,115.76/32,614.86
  6. Step 6: Final answer
    x = 25,219.43

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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.