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Finding the Fourth Proportional to 3,572.81, 4,925.22 and 2,507.21

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Solution

The fourth proportional to 3,572.81, 4,925.22 and 2,507.21 is: 3,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.81 : 4,925.22 = 2,507.21 : x
  2. Step 2: Convert to fraction form
    3,572.81/4,925.22 = 2,507.21/x
  3. Step 3: Cross multiply
    3,572.81x = 4,925.22 × 2,507.21
  4. Step 4: Simplify right side
    3,572.81x = 12,348,560.84
  5. Step 5: Solve for x
    x = 12,348,560.84/3,572.81
  6. Step 6: Final answer
    x = 3,456.26

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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.