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Finding the Fourth Proportional to 8,585.02, 12,866.10 and 4,885.84

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Solution

The fourth proportional to 8,585.02, 12,866.10 and 4,885.84 is: 7,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.02 : 12,866.10 = 4,885.84 : x
  2. Step 2: Convert to fraction form
    8,585.02/12,866.10 = 4,885.84/x
  3. Step 3: Cross multiply
    8,585.02x = 12,866.10 × 4,885.84
  4. Step 4: Simplify right side
    8,585.02x = 62,861,706.02
  5. Step 5: Solve for x
    x = 62,861,706.02/8,585.02
  6. Step 6: Final answer
    x = 7,322.26

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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.