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Finding the Fourth Proportional to 35,444.40, 53,136.40 and 15,712.20

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Solution

The fourth proportional to 35,444.40, 53,136.40 and 15,712.20 is: 23,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,444.40 : 53,136.40 = 15,712.20 : x
  2. Step 2: Convert to fraction form
    35,444.40/53,136.40 = 15,712.20/x
  3. Step 3: Cross multiply
    35,444.40x = 53,136.40 × 15,712.20
  4. Step 4: Simplify right side
    35,444.40x = 834,889,744.08
  5. Step 5: Solve for x
    x = 834,889,744.08/35,444.40
  6. Step 6: Final answer
    x = 23,554.91

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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.