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Finding the Fourth Proportional to 10,473.44, 15,710.12 and 4,549.55

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Solution

The fourth proportional to 10,473.44, 15,710.12 and 4,549.55 is: 6,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.44 : 15,710.12 = 4,549.55 : x
  2. Step 2: Convert to fraction form
    10,473.44/15,710.12 = 4,549.55/x
  3. Step 3: Cross multiply
    10,473.44x = 15,710.12 × 4,549.55
  4. Step 4: Simplify right side
    10,473.44x = 71,473,875.15
  5. Step 5: Solve for x
    x = 71,473,875.15/10,473.44
  6. Step 6: Final answer
    x = 6,824.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.