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Finding the Fourth Proportional to 5,866.40, 8,750.17 and 5,458.16

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Solution

The fourth proportional to 5,866.40, 8,750.17 and 5,458.16 is: 8,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.40 : 8,750.17 = 5,458.16 : x
  2. Step 2: Convert to fraction form
    5,866.40/8,750.17 = 5,458.16/x
  3. Step 3: Cross multiply
    5,866.40x = 8,750.17 × 5,458.16
  4. Step 4: Simplify right side
    5,866.40x = 47,759,827.89
  5. Step 5: Solve for x
    x = 47,759,827.89/5,866.40
  6. Step 6: Final answer
    x = 8,141.25

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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.