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Finding the Fourth Proportional to 32,909.04, 45,414.04 and 18,762.16

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Solution

The fourth proportional to 32,909.04, 45,414.04 and 18,762.16 is: 25,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.04 : 45,414.04 = 18,762.16 : x
  2. Step 2: Convert to fraction form
    32,909.04/45,414.04 = 18,762.16/x
  3. Step 3: Cross multiply
    32,909.04x = 45,414.04 × 18,762.16
  4. Step 4: Simplify right side
    32,909.04x = 852,065,484.73
  5. Step 5: Solve for x
    x = 852,065,484.73/32,909.04
  6. Step 6: Final answer
    x = 25,891.53

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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.