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Finding the Fourth Proportional to 15,868.90, 23,803.55 and 6,005.53

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Solution

The fourth proportional to 15,868.90, 23,803.55 and 6,005.53 is: 9,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.90 : 23,803.55 = 6,005.53 : x
  2. Step 2: Convert to fraction form
    15,868.90/23,803.55 = 6,005.53/x
  3. Step 3: Cross multiply
    15,868.90x = 23,803.55 × 6,005.53
  4. Step 4: Simplify right side
    15,868.90x = 142,952,933.63
  5. Step 5: Solve for x
    x = 142,952,933.63/15,868.90
  6. Step 6: Final answer
    x = 9,008.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.