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Finding the Fourth Proportional to 5,863.55, 8,807.57 and 4,985.91

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Solution

The fourth proportional to 5,863.55, 8,807.57 and 4,985.91 is: 7,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.55 : 8,807.57 = 4,985.91 : x
  2. Step 2: Convert to fraction form
    5,863.55/8,807.57 = 4,985.91/x
  3. Step 3: Cross multiply
    5,863.55x = 8,807.57 × 4,985.91
  4. Step 4: Simplify right side
    5,863.55x = 43,913,726.41
  5. Step 5: Solve for x
    x = 43,913,726.41/5,863.55
  6. Step 6: Final answer
    x = 7,489.28

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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.