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Finding the Fourth Proportional to 32,385, 44,695.56 and 18,240.58

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Solution

The fourth proportional to 32,385, 44,695.56 and 18,240.58 is: 25,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,385 : 44,695.56 = 18,240.58 : x
  2. Step 2: Convert to fraction form
    32,385/44,695.56 = 18,240.58/x
  3. Step 3: Cross multiply
    32,385x = 44,695.56 × 18,240.58
  4. Step 4: Simplify right side
    32,385x = 815,272,937.82
  5. Step 5: Solve for x
    x = 815,272,937.82/32,385
  6. Step 6: Final answer
    x = 25,174.40

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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.