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Finding the Fourth Proportional to 77,000.76, 115,512.08 and 23,697.16

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Solution

The fourth proportional to 77,000.76, 115,512.08 and 23,697.16 is: 35,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,000.76 : 115,512.08 = 23,697.16 : x
  2. Step 2: Convert to fraction form
    77,000.76/115,512.08 = 23,697.16/x
  3. Step 3: Cross multiply
    77,000.76x = 115,512.08 × 23,697.16
  4. Step 4: Simplify right side
    77,000.76x = 2,737,308,241.69
  5. Step 5: Solve for x
    x = 2,737,308,241.69/77,000.76
  6. Step 6: Final answer
    x = 35,549.11

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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.