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Finding the Fourth Proportional to 52,017.28, 78,017.04 and 16,948.96

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Solution

The fourth proportional to 52,017.28, 78,017.04 and 16,948.96 is: 25,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.28 : 78,017.04 = 16,948.96 : x
  2. Step 2: Convert to fraction form
    52,017.28/78,017.04 = 16,948.96/x
  3. Step 3: Cross multiply
    52,017.28x = 78,017.04 × 16,948.96
  4. Step 4: Simplify right side
    52,017.28x = 1,322,307,690.28
  5. Step 5: Solve for x
    x = 1,322,307,690.28/52,017.28
  6. Step 6: Final answer
    x = 25,420.55

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1.5x scale

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.