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Finding the Fourth Proportional to 9,373.60, 12,922.64 and 7,491.52

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Solution

The fourth proportional to 9,373.60, 12,922.64 and 7,491.52 is: 10,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.60 : 12,922.64 = 7,491.52 : x
  2. Step 2: Convert to fraction form
    9,373.60/12,922.64 = 7,491.52/x
  3. Step 3: Cross multiply
    9,373.60x = 12,922.64 × 7,491.52
  4. Step 4: Simplify right side
    9,373.60x = 96,810,216.01
  5. Step 5: Solve for x
    x = 96,810,216.01/9,373.60
  6. Step 6: Final answer
    x = 10,327.97

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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.