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Finding the Fourth Proportional to 29,057.95, 40,052.05 and 20,549.08

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Solution

The fourth proportional to 29,057.95, 40,052.05 and 20,549.08 is: 28,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,057.95 : 40,052.05 = 20,549.08 : x
  2. Step 2: Convert to fraction form
    29,057.95/40,052.05 = 20,549.08/x
  3. Step 3: Cross multiply
    29,057.95x = 40,052.05 × 20,549.08
  4. Step 4: Simplify right side
    29,057.95x = 823,032,779.61
  5. Step 5: Solve for x
    x = 823,032,779.61/29,057.95
  6. Step 6: Final answer
    x = 28,323.84

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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.