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Finding the Fourth Proportional to 52,012.59, 78,025.05 and 16,952.25

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Solution

The fourth proportional to 52,012.59, 78,025.05 and 16,952.25 is: 25,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,012.59 : 78,025.05 = 16,952.25 : x
  2. Step 2: Convert to fraction form
    52,012.59/78,025.05 = 16,952.25/x
  3. Step 3: Cross multiply
    52,012.59x = 78,025.05 × 16,952.25
  4. Step 4: Simplify right side
    52,012.59x = 1,322,700,153.86
  5. Step 5: Solve for x
    x = 1,322,700,153.86/52,012.59
  6. Step 6: Final answer
    x = 25,430.38

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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.