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Finding the Fourth Proportional to 9,927.10, 14,902.80 and 9,854.20

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Solution

The fourth proportional to 9,927.10, 14,902.80 and 9,854.20 is: 14,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.10 : 14,902.80 = 9,854.20 : x
  2. Step 2: Convert to fraction form
    9,927.10/14,902.80 = 9,854.20/x
  3. Step 3: Cross multiply
    9,927.10x = 14,902.80 × 9,854.20
  4. Step 4: Simplify right side
    9,927.10x = 146,855,171.76
  5. Step 5: Solve for x
    x = 146,855,171.76/9,927.10
  6. Step 6: Final answer
    x = 14,793.36

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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.