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Finding the Fourth Proportional to 9,862.76, 14,817.10 and 9,331.94

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Solution

The fourth proportional to 9,862.76, 14,817.10 and 9,331.94 is: 14,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.76 : 14,817.10 = 9,331.94 : x
  2. Step 2: Convert to fraction form
    9,862.76/14,817.10 = 9,331.94/x
  3. Step 3: Cross multiply
    9,862.76x = 14,817.10 × 9,331.94
  4. Step 4: Simplify right side
    9,862.76x = 138,272,288.17
  5. Step 5: Solve for x
    x = 138,272,288.17/9,862.76
  6. Step 6: Final answer
    x = 14,019.63

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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.