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Finding the Fourth Proportional to 7,152.19, 9,870.33 and 4,008.36

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Solution

The fourth proportional to 7,152.19, 9,870.33 and 4,008.36 is: 5,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.19 : 9,870.33 = 4,008.36 : x
  2. Step 2: Convert to fraction form
    7,152.19/9,870.33 = 4,008.36/x
  3. Step 3: Cross multiply
    7,152.19x = 9,870.33 × 4,008.36
  4. Step 4: Simplify right side
    7,152.19x = 39,563,835.96
  5. Step 5: Solve for x
    x = 39,563,835.96/7,152.19
  6. Step 6: Final answer
    x = 5,531.71

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