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Finding the Fourth Proportional to 76,937.40, 115,415.10 and 24,352.20

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Solution

The fourth proportional to 76,937.40, 115,415.10 and 24,352.20 is: 36,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,937.40 : 115,415.10 = 24,352.20 : x
  2. Step 2: Convert to fraction form
    76,937.40/115,415.10 = 24,352.20/x
  3. Step 3: Cross multiply
    76,937.40x = 115,415.10 × 24,352.20
  4. Step 4: Simplify right side
    76,937.40x = 2,810,611,598.22
  5. Step 5: Solve for x
    x = 2,810,611,598.22/76,937.40
  6. Step 6: Final answer
    x = 36,531.15

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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.