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Finding the Fourth Proportional to 9,145.17, 12,608.87 and 7,464.87

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Solution

The fourth proportional to 9,145.17, 12,608.87 and 7,464.87 is: 10,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.17 : 12,608.87 = 7,464.87 : x
  2. Step 2: Convert to fraction form
    9,145.17/12,608.87 = 7,464.87/x
  3. Step 3: Cross multiply
    9,145.17x = 12,608.87 × 7,464.87
  4. Step 4: Simplify right side
    9,145.17x = 94,123,538.07
  5. Step 5: Solve for x
    x = 94,123,538.07/9,145.17
  6. Step 6: Final answer
    x = 10,292.16

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Half scale
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Double scale
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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.