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Finding the Fourth Proportional to 7,454.16, 10,285.62 and 4,097.11

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Solution

The fourth proportional to 7,454.16, 10,285.62 and 4,097.11 is: 5,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.16 : 10,285.62 = 4,097.11 : x
  2. Step 2: Convert to fraction form
    7,454.16/10,285.62 = 4,097.11/x
  3. Step 3: Cross multiply
    7,454.16x = 10,285.62 × 4,097.11
  4. Step 4: Simplify right side
    7,454.16x = 42,141,316.56
  5. Step 5: Solve for x
    x = 42,141,316.56/7,454.16
  6. Step 6: Final answer
    x = 5,653.40

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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.