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Finding the Fourth Proportional to 9,802.20, 14,697.90 and 3,952.20

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Solution

The fourth proportional to 9,802.20, 14,697.90 and 3,952.20 is: 5,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,802.20 : 14,697.90 = 3,952.20 : x
  2. Step 2: Convert to fraction form
    9,802.20/14,697.90 = 3,952.20/x
  3. Step 3: Cross multiply
    9,802.20x = 14,697.90 × 3,952.20
  4. Step 4: Simplify right side
    9,802.20x = 58,089,040.38
  5. Step 5: Solve for x
    x = 58,089,040.38/9,802.20
  6. Step 6: Final answer
    x = 5,926.12

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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.