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Finding the Fourth Proportional to 44,570.17, 66,866.10 and 13,405.42

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Solution

The fourth proportional to 44,570.17, 66,866.10 and 13,405.42 is: 20,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,570.17 : 66,866.10 = 13,405.42 : x
  2. Step 2: Convert to fraction form
    44,570.17/66,866.10 = 13,405.42/x
  3. Step 3: Cross multiply
    44,570.17x = 66,866.10 × 13,405.42
  4. Step 4: Simplify right side
    44,570.17x = 896,368,154.26
  5. Step 5: Solve for x
    x = 896,368,154.26/44,570.17
  6. Step 6: Final answer
    x = 20,111.39

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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.