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Finding the Fourth Proportional to 5,653.68, 8,475.12 and 3,707.52

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Solution

The fourth proportional to 5,653.68, 8,475.12 and 3,707.52 is: 5,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.68 : 8,475.12 = 3,707.52 : x
  2. Step 2: Convert to fraction form
    5,653.68/8,475.12 = 3,707.52/x
  3. Step 3: Cross multiply
    5,653.68x = 8,475.12 × 3,707.52
  4. Step 4: Simplify right side
    5,653.68x = 31,421,676.90
  5. Step 5: Solve for x
    x = 31,421,676.90/5,653.68
  6. Step 6: Final answer
    x = 5,557.74

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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.