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Finding the Fourth Proportional to 9,859.18, 14,842.02 and 8,987.26

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Solution

The fourth proportional to 9,859.18, 14,842.02 and 8,987.26 is: 13,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.18 : 14,842.02 = 8,987.26 : x
  2. Step 2: Convert to fraction form
    9,859.18/14,842.02 = 8,987.26/x
  3. Step 3: Cross multiply
    9,859.18x = 14,842.02 × 8,987.26
  4. Step 4: Simplify right side
    9,859.18x = 133,389,092.67
  5. Step 5: Solve for x
    x = 133,389,092.67/9,859.18
  6. Step 6: Final answer
    x = 13,529.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.