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Finding the Fourth Proportional to 7,310.68, 10,088.42 and 4,658.94

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Solution

The fourth proportional to 7,310.68, 10,088.42 and 4,658.94 is: 6,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.68 : 10,088.42 = 4,658.94 : x
  2. Step 2: Convert to fraction form
    7,310.68/10,088.42 = 4,658.94/x
  3. Step 3: Cross multiply
    7,310.68x = 10,088.42 × 4,658.94
  4. Step 4: Simplify right side
    7,310.68x = 47,001,320.18
  5. Step 5: Solve for x
    x = 47,001,320.18/7,310.68
  6. Step 6: Final answer
    x = 6,429.13

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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.