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Finding the Fourth Proportional to 9,752.40, 13,453.02 and 7,390.44

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Solution

The fourth proportional to 9,752.40, 13,453.02 and 7,390.44 is: 10,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,752.40 : 13,453.02 = 7,390.44 : x
  2. Step 2: Convert to fraction form
    9,752.40/13,453.02 = 7,390.44/x
  3. Step 3: Cross multiply
    9,752.40x = 13,453.02 × 7,390.44
  4. Step 4: Simplify right side
    9,752.40x = 99,423,737.13
  5. Step 5: Solve for x
    x = 99,423,737.13/9,752.40
  6. Step 6: Final answer
    x = 10,194.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.