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Finding the Fourth Proportional to 52,015.93, 78,023.90 and 12,573.04

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Solution

The fourth proportional to 52,015.93, 78,023.90 and 12,573.04 is: 18,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,015.93 : 78,023.90 = 12,573.04 : x
  2. Step 2: Convert to fraction form
    52,015.93/78,023.90 = 12,573.04/x
  3. Step 3: Cross multiply
    52,015.93x = 78,023.90 × 12,573.04
  4. Step 4: Simplify right side
    52,015.93x = 980,997,615.66
  5. Step 5: Solve for x
    x = 980,997,615.66/52,015.93
  6. Step 6: Final answer
    x = 18,859.56

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Similar ratio
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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.