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Finding the Fourth Proportional to 9,011.67, 12,437.60 and 5,657.33

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Solution

The fourth proportional to 9,011.67, 12,437.60 and 5,657.33 is: 7,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.67 : 12,437.60 = 5,657.33 : x
  2. Step 2: Convert to fraction form
    9,011.67/12,437.60 = 5,657.33/x
  3. Step 3: Cross multiply
    9,011.67x = 12,437.60 × 5,657.33
  4. Step 4: Simplify right side
    9,011.67x = 70,363,517.13
  5. Step 5: Solve for x
    x = 70,363,517.13/9,011.67
  6. Step 6: Final answer
    x = 7,808.04

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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.