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Finding the Fourth Proportional to 9,332.70, 14,006.70 and 9,259.80

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Solution

The fourth proportional to 9,332.70, 14,006.70 and 9,259.80 is: 13,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.70 : 14,006.70 = 9,259.80 : x
  2. Step 2: Convert to fraction form
    9,332.70/14,006.70 = 9,259.80/x
  3. Step 3: Cross multiply
    9,332.70x = 14,006.70 × 9,259.80
  4. Step 4: Simplify right side
    9,332.70x = 129,699,240.66
  5. Step 5: Solve for x
    x = 129,699,240.66/9,332.70
  6. Step 6: Final answer
    x = 13,897.29

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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.