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Finding the Fourth Proportional to 5,658.66, 8,448.71 and 5,308.74

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Solution

The fourth proportional to 5,658.66, 8,448.71 and 5,308.74 is: 7,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.66 : 8,448.71 = 5,308.74 : x
  2. Step 2: Convert to fraction form
    5,658.66/8,448.71 = 5,308.74/x
  3. Step 3: Cross multiply
    5,658.66x = 8,448.71 × 5,308.74
  4. Step 4: Simplify right side
    5,658.66x = 44,851,978.18
  5. Step 5: Solve for x
    x = 44,851,978.18/5,658.66
  6. Step 6: Final answer
    x = 7,926.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.