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Finding the Fourth Proportional to 8,988.96, 13,484.16 and 3,444.96

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Solution

The fourth proportional to 8,988.96, 13,484.16 and 3,444.96 is: 5,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.96 : 13,484.16 = 3,444.96 : x
  2. Step 2: Convert to fraction form
    8,988.96/13,484.16 = 3,444.96/x
  3. Step 3: Cross multiply
    8,988.96x = 13,484.16 × 3,444.96
  4. Step 4: Simplify right side
    8,988.96x = 46,452,391.83
  5. Step 5: Solve for x
    x = 46,452,391.83/8,988.96
  6. Step 6: Final answer
    x = 5,167.72

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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.