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Finding the Fourth Proportional to 5,574.88, 7,695.15 and 4,007.53

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Solution

The fourth proportional to 5,574.88, 7,695.15 and 4,007.53 is: 5,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.88 : 7,695.15 = 4,007.53 : x
  2. Step 2: Convert to fraction form
    5,574.88/7,695.15 = 4,007.53/x
  3. Step 3: Cross multiply
    5,574.88x = 7,695.15 × 4,007.53
  4. Step 4: Simplify right side
    5,574.88x = 30,838,506.00
  5. Step 5: Solve for x
    x = 30,838,506.00/5,574.88
  6. Step 6: Final answer
    x = 5,531.69

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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.