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Finding the Fourth Proportional to 8,287.50, 11,437.26 and 4,751.25

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Solution

The fourth proportional to 8,287.50, 11,437.26 and 4,751.25 is: 6,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.50 : 11,437.26 = 4,751.25 : x
  2. Step 2: Convert to fraction form
    8,287.50/11,437.26 = 4,751.25/x
  3. Step 3: Cross multiply
    8,287.50x = 11,437.26 × 4,751.25
  4. Step 4: Simplify right side
    8,287.50x = 54,341,281.58
  5. Step 5: Solve for x
    x = 54,341,281.58/8,287.50
  6. Step 6: Final answer
    x = 6,557.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.