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Finding the Fourth Proportional to 5,762.56, 7,952.16 and 4,197.28

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Solution

The fourth proportional to 5,762.56, 7,952.16 and 4,197.28 is: 5,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.56 : 7,952.16 = 4,197.28 : x
  2. Step 2: Convert to fraction form
    5,762.56/7,952.16 = 4,197.28/x
  3. Step 3: Cross multiply
    5,762.56x = 7,952.16 × 4,197.28
  4. Step 4: Simplify right side
    5,762.56x = 33,377,442.12
  5. Step 5: Solve for x
    x = 33,377,442.12/5,762.56
  6. Step 6: Final answer
    x = 5,792.12

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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.