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Finding the Fourth Proportional to 4,424.68, 6,598 and 4,385.20

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Solution

The fourth proportional to 4,424.68, 6,598 and 4,385.20 is: 6,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.68 : 6,598 = 4,385.20 : x
  2. Step 2: Convert to fraction form
    4,424.68/6,598 = 4,385.20/x
  3. Step 3: Cross multiply
    4,424.68x = 6,598 × 4,385.20
  4. Step 4: Simplify right side
    4,424.68x = 28,933,549.60
  5. Step 5: Solve for x
    x = 28,933,549.60/4,424.68
  6. Step 6: Final answer
    x = 6,539.13

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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.