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Finding the Fourth Proportional to 8,873.96, 13,255.10 and 6,513.08

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Solution

The fourth proportional to 8,873.96, 13,255.10 and 6,513.08 is: 9,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.96 : 13,255.10 = 6,513.08 : x
  2. Step 2: Convert to fraction form
    8,873.96/13,255.10 = 6,513.08/x
  3. Step 3: Cross multiply
    8,873.96x = 13,255.10 × 6,513.08
  4. Step 4: Simplify right side
    8,873.96x = 86,331,526.71
  5. Step 5: Solve for x
    x = 86,331,526.71/8,873.96
  6. Step 6: Final answer
    x = 9,728.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.