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Finding the Fourth Proportional to 32,715.88, 45,147.91 and 17,811.88

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Solution

The fourth proportional to 32,715.88, 45,147.91 and 17,811.88 is: 24,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.88 : 45,147.91 = 17,811.88 : x
  2. Step 2: Convert to fraction form
    32,715.88/45,147.91 = 17,811.88/x
  3. Step 3: Cross multiply
    32,715.88x = 45,147.91 × 17,811.88
  4. Step 4: Simplify right side
    32,715.88x = 804,169,155.17
  5. Step 5: Solve for x
    x = 804,169,155.17/32,715.88
  6. Step 6: Final answer
    x = 24,580.39

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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.