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Finding the Fourth Proportional to 5,606.48, 7,734.92 and 3,718.98

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Solution

The fourth proportional to 5,606.48, 7,734.92 and 3,718.98 is: 5,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.48 : 7,734.92 = 3,718.98 : x
  2. Step 2: Convert to fraction form
    5,606.48/7,734.92 = 3,718.98/x
  3. Step 3: Cross multiply
    5,606.48x = 7,734.92 × 3,718.98
  4. Step 4: Simplify right side
    5,606.48x = 28,765,994.19
  5. Step 5: Solve for x
    x = 28,765,994.19/5,606.48
  6. Step 6: Final answer
    x = 5,130.85

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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.