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Finding the Fourth Proportional to 8,767.62, 13,088.94 and 8,460.02

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Solution

The fourth proportional to 8,767.62, 13,088.94 and 8,460.02 is: 12,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.62 : 13,088.94 = 8,460.02 : x
  2. Step 2: Convert to fraction form
    8,767.62/13,088.94 = 8,460.02/x
  3. Step 3: Cross multiply
    8,767.62x = 13,088.94 × 8,460.02
  4. Step 4: Simplify right side
    8,767.62x = 110,732,694.18
  5. Step 5: Solve for x
    x = 110,732,694.18/8,767.62
  6. Step 6: Final answer
    x = 12,629.73

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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.