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Finding the Fourth Proportional to 60,010.89, 90,016.29 and 17,889.90

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Solution

The fourth proportional to 60,010.89, 90,016.29 and 17,889.90 is: 26,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,010.89 : 90,016.29 = 17,889.90 : x
  2. Step 2: Convert to fraction form
    60,010.89/90,016.29 = 17,889.90/x
  3. Step 3: Cross multiply
    60,010.89x = 90,016.29 × 17,889.90
  4. Step 4: Simplify right side
    60,010.89x = 1,610,382,426.47
  5. Step 5: Solve for x
    x = 1,610,382,426.47/60,010.89
  6. Step 6: Final answer
    x = 26,834.84

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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.