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Finding the Fourth Proportional to 32,887.68, 45,373.88 and 18,730.48

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Solution

The fourth proportional to 32,887.68, 45,373.88 and 18,730.48 is: 25,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,887.68 : 45,373.88 = 18,730.48 : x
  2. Step 2: Convert to fraction form
    32,887.68/45,373.88 = 18,730.48/x
  3. Step 3: Cross multiply
    32,887.68x = 45,373.88 × 18,730.48
  4. Step 4: Simplify right side
    32,887.68x = 849,874,551.86
  5. Step 5: Solve for x
    x = 849,874,551.86/32,887.68
  6. Step 6: Final answer
    x = 25,841.73

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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.