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Finding the Fourth Proportional to 52,554.16, 78,784.36 and 19,266.45

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Solution

The fourth proportional to 52,554.16, 78,784.36 and 19,266.45 is: 28,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,554.16 : 78,784.36 = 19,266.45 : x
  2. Step 2: Convert to fraction form
    52,554.16/78,784.36 = 19,266.45/x
  3. Step 3: Cross multiply
    52,554.16x = 78,784.36 × 19,266.45
  4. Step 4: Simplify right side
    52,554.16x = 1,517,894,884.56
  5. Step 5: Solve for x
    x = 1,517,894,884.56/52,554.16
  6. Step 6: Final answer
    x = 28,882.49

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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.