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Finding the Fourth Proportional to 9,869.97, 14,807.27 and 6,751.45

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Solution

The fourth proportional to 9,869.97, 14,807.27 and 6,751.45 is: 10,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.97 : 14,807.27 = 6,751.45 : x
  2. Step 2: Convert to fraction form
    9,869.97/14,807.27 = 6,751.45/x
  3. Step 3: Cross multiply
    9,869.97x = 14,807.27 × 6,751.45
  4. Step 4: Simplify right side
    9,869.97x = 99,970,543.04
  5. Step 5: Solve for x
    x = 99,970,543.04/9,869.97
  6. Step 6: Final answer
    x = 10,128.76

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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.