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Finding the Fourth Proportional to 60,191.67, 90,266.20 and 17,488.21

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Solution

The fourth proportional to 60,191.67, 90,266.20 and 17,488.21 is: 26,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,191.67 : 90,266.20 = 17,488.21 : x
  2. Step 2: Convert to fraction form
    60,191.67/90,266.20 = 17,488.21/x
  3. Step 3: Cross multiply
    60,191.67x = 90,266.20 × 17,488.21
  4. Step 4: Simplify right side
    60,191.67x = 1,578,594,261.50
  5. Step 5: Solve for x
    x = 1,578,594,261.50/60,191.67
  6. Step 6: Final answer
    x = 26,226.13

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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.