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Finding the Fourth Proportional to 60,345.90, 90,531.54 and 18,229.14

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Solution

The fourth proportional to 60,345.90, 90,531.54 and 18,229.14 is: 27,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,345.90 : 90,531.54 = 18,229.14 : x
  2. Step 2: Convert to fraction form
    60,345.90/90,531.54 = 18,229.14/x
  3. Step 3: Cross multiply
    60,345.90x = 90,531.54 × 18,229.14
  4. Step 4: Simplify right side
    60,345.90x = 1,650,312,117.08
  5. Step 5: Solve for x
    x = 1,650,312,117.08/60,345.90
  6. Step 6: Final answer
    x = 27,347.54

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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.