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Finding the Fourth Proportional to 52,452.95, 78,690.63 and 16,916.29

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Solution

The fourth proportional to 52,452.95, 78,690.63 and 16,916.29 is: 25,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.95 : 78,690.63 = 16,916.29 : x
  2. Step 2: Convert to fraction form
    52,452.95/78,690.63 = 16,916.29/x
  3. Step 3: Cross multiply
    52,452.95x = 78,690.63 × 16,916.29
  4. Step 4: Simplify right side
    52,452.95x = 1,331,153,517.36
  5. Step 5: Solve for x
    x = 1,331,153,517.36/52,452.95
  6. Step 6: Final answer
    x = 25,378.05

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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.