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Finding the Fourth Proportional to 52,596.96, 78,878.40 and 17,527.20

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Solution

The fourth proportional to 52,596.96, 78,878.40 and 17,527.20 is: 26,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,596.96 : 78,878.40 = 17,527.20 : x
  2. Step 2: Convert to fraction form
    52,596.96/78,878.40 = 17,527.20/x
  3. Step 3: Cross multiply
    52,596.96x = 78,878.40 × 17,527.20
  4. Step 4: Simplify right side
    52,596.96x = 1,382,517,492.48
  5. Step 5: Solve for x
    x = 1,382,517,492.48/52,596.96
  6. Step 6: Final answer
    x = 26,285.12

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Why These Related Problems?

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