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Finding the Fourth Proportional to 52,003.60, 78,019.80 and 34,507.60

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Solution

The fourth proportional to 52,003.60, 78,019.80 and 34,507.60 is: 51,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,003.60 : 78,019.80 = 34,507.60 : x
  2. Step 2: Convert to fraction form
    52,003.60/78,019.80 = 34,507.60/x
  3. Step 3: Cross multiply
    52,003.60x = 78,019.80 × 34,507.60
  4. Step 4: Simplify right side
    52,003.60x = 2,692,276,050.48
  5. Step 5: Solve for x
    x = 2,692,276,050.48/52,003.60
  6. Step 6: Final answer
    x = 51,770.96

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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.