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Finding the Fourth Proportional to 7,663.71, 10,575.57 and 4,684.53

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Solution

The fourth proportional to 7,663.71, 10,575.57 and 4,684.53 is: 6,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.71 : 10,575.57 = 4,684.53 : x
  2. Step 2: Convert to fraction form
    7,663.71/10,575.57 = 4,684.53/x
  3. Step 3: Cross multiply
    7,663.71x = 10,575.57 × 4,684.53
  4. Step 4: Simplify right side
    7,663.71x = 49,541,574.93
  5. Step 5: Solve for x
    x = 49,541,574.93/7,663.71
  6. Step 6: Final answer
    x = 6,464.44

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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.