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Finding the Fourth Proportional to 8,583.55, 12,875.55 and 2,740.16

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Solution

The fourth proportional to 8,583.55, 12,875.55 and 2,740.16 is: 4,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.55 : 12,875.55 = 2,740.16 : x
  2. Step 2: Convert to fraction form
    8,583.55/12,875.55 = 2,740.16/x
  3. Step 3: Cross multiply
    8,583.55x = 12,875.55 × 2,740.16
  4. Step 4: Simplify right side
    8,583.55x = 35,281,067.09
  5. Step 5: Solve for x
    x = 35,281,067.09/8,583.55
  6. Step 6: Final answer
    x = 4,110.31

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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.