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Finding the Fourth Proportional to 9,008.44, 12,431.94 and 5,030.53

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Solution

The fourth proportional to 9,008.44, 12,431.94 and 5,030.53 is: 6,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.44 : 12,431.94 = 5,030.53 : x
  2. Step 2: Convert to fraction form
    9,008.44/12,431.94 = 5,030.53/x
  3. Step 3: Cross multiply
    9,008.44x = 12,431.94 × 5,030.53
  4. Step 4: Simplify right side
    9,008.44x = 62,539,247.13
  5. Step 5: Solve for x
    x = 62,539,247.13/9,008.44
  6. Step 6: Final answer
    x = 6,942.29

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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.