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Finding the Fourth Proportional to 57,089.01, 85,641.69 and 17,649.18

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Solution

The fourth proportional to 57,089.01, 85,641.69 and 17,649.18 is: 26,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.01 : 85,641.69 = 17,649.18 : x
  2. Step 2: Convert to fraction form
    57,089.01/85,641.69 = 17,649.18/x
  3. Step 3: Cross multiply
    57,089.01x = 85,641.69 × 17,649.18
  4. Step 4: Simplify right side
    57,089.01x = 1,511,505,602.31
  5. Step 5: Solve for x
    x = 1,511,505,602.31/57,089.01
  6. Step 6: Final answer
    x = 26,476.30

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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.