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Finding the Fourth Proportional to 69,444.64, 104,167.01 and 16,854.18

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Solution

The fourth proportional to 69,444.64, 104,167.01 and 16,854.18 is: 25,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,444.64 : 104,167.01 = 16,854.18 : x
  2. Step 2: Convert to fraction form
    69,444.64/104,167.01 = 16,854.18/x
  3. Step 3: Cross multiply
    69,444.64x = 104,167.01 × 16,854.18
  4. Step 4: Simplify right side
    69,444.64x = 1,755,649,188.11
  5. Step 5: Solve for x
    x = 1,755,649,188.11/69,444.64
  6. Step 6: Final answer
    x = 25,281.28

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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.