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Finding the Fourth Proportional to 4,494.47, 6,741.74 and 1,572.79

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Solution

The fourth proportional to 4,494.47, 6,741.74 and 1,572.79 is: 2,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,494.47 : 6,741.74 = 1,572.79 : x
  2. Step 2: Convert to fraction form
    4,494.47/6,741.74 = 1,572.79/x
  3. Step 3: Cross multiply
    4,494.47x = 6,741.74 × 1,572.79
  4. Step 4: Simplify right side
    4,494.47x = 10,603,341.25
  5. Step 5: Solve for x
    x = 10,603,341.25/4,494.47
  6. Step 6: Final answer
    x = 2,359.20

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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.