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Finding the Fourth Proportional to 9,070.96, 13,607.88 and 3,876.88

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Solution

The fourth proportional to 9,070.96, 13,607.88 and 3,876.88 is: 5,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.96 : 13,607.88 = 3,876.88 : x
  2. Step 2: Convert to fraction form
    9,070.96/13,607.88 = 3,876.88/x
  3. Step 3: Cross multiply
    9,070.96x = 13,607.88 × 3,876.88
  4. Step 4: Simplify right side
    9,070.96x = 52,756,117.81
  5. Step 5: Solve for x
    x = 52,756,117.81/9,070.96
  6. Step 6: Final answer
    x = 5,815.94

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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.