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Finding the Fourth Proportional to 9,888.98, 14,797.13 and 9,354.65

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Solution

The fourth proportional to 9,888.98, 14,797.13 and 9,354.65 is: 13,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.98 : 14,797.13 = 9,354.65 : x
  2. Step 2: Convert to fraction form
    9,888.98/14,797.13 = 9,354.65/x
  3. Step 3: Cross multiply
    9,888.98x = 14,797.13 × 9,354.65
  4. Step 4: Simplify right side
    9,888.98x = 138,421,851.40
  5. Step 5: Solve for x
    x = 138,421,851.40/9,888.98
  6. Step 6: Final answer
    x = 13,997.59

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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.