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Finding the Fourth Proportional to 29,610.30, 40,862.40 and 16,181.76

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Solution

The fourth proportional to 29,610.30, 40,862.40 and 16,181.76 is: 22,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,610.30 : 40,862.40 = 16,181.76 : x
  2. Step 2: Convert to fraction form
    29,610.30/40,862.40 = 16,181.76/x
  3. Step 3: Cross multiply
    29,610.30x = 40,862.40 × 16,181.76
  4. Step 4: Simplify right side
    29,610.30x = 661,225,549.82
  5. Step 5: Solve for x
    x = 661,225,549.82/29,610.30
  6. Step 6: Final answer
    x = 22,330.93

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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.