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Finding the Fourth Proportional to 7,753.68, 10,700.36 and 4,442.32

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Solution

The fourth proportional to 7,753.68, 10,700.36 and 4,442.32 is: 6,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.68 : 10,700.36 = 4,442.32 : x
  2. Step 2: Convert to fraction form
    7,753.68/10,700.36 = 4,442.32/x
  3. Step 3: Cross multiply
    7,753.68x = 10,700.36 × 4,442.32
  4. Step 4: Simplify right side
    7,753.68x = 47,534,423.24
  5. Step 5: Solve for x
    x = 47,534,423.24/7,753.68
  6. Step 6: Final answer
    x = 6,130.56

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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.