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Finding the Fourth Proportional to 32,494.78, 48,742.17 and 11,718.28

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Solution

The fourth proportional to 32,494.78, 48,742.17 and 11,718.28 is: 17,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,494.78 : 48,742.17 = 11,718.28 : x
  2. Step 2: Convert to fraction form
    32,494.78/48,742.17 = 11,718.28/x
  3. Step 3: Cross multiply
    32,494.78x = 48,742.17 × 11,718.28
  4. Step 4: Simplify right side
    32,494.78x = 571,174,478.77
  5. Step 5: Solve for x
    x = 571,174,478.77/32,494.78
  6. Step 6: Final answer
    x = 17,577.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.