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Finding the Fourth Proportional to 8,735.52, 13,079.76 and 7,088.16

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Solution

The fourth proportional to 8,735.52, 13,079.76 and 7,088.16 is: 10,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.52 : 13,079.76 = 7,088.16 : x
  2. Step 2: Convert to fraction form
    8,735.52/13,079.76 = 7,088.16/x
  3. Step 3: Cross multiply
    8,735.52x = 13,079.76 × 7,088.16
  4. Step 4: Simplify right side
    8,735.52x = 92,711,431.64
  5. Step 5: Solve for x
    x = 92,711,431.64/8,735.52
  6. Step 6: Final answer
    x = 10,613.16

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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.