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Finding the Fourth Proportional to 9,352.70, 14,029.05 and 9,287.90

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Solution

The fourth proportional to 9,352.70, 14,029.05 and 9,287.90 is: 13,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.70 : 14,029.05 = 9,287.90 : x
  2. Step 2: Convert to fraction form
    9,352.70/14,029.05 = 9,287.90/x
  3. Step 3: Cross multiply
    9,352.70x = 14,029.05 × 9,287.90
  4. Step 4: Simplify right side
    9,352.70x = 130,300,413.50
  5. Step 5: Solve for x
    x = 130,300,413.50/9,352.70
  6. Step 6: Final answer
    x = 13,931.85

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Similar ratio
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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.