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Finding the Fourth Proportional to 76,667.77, 114,962.76 and 35,079.13

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Solution

The fourth proportional to 76,667.77, 114,962.76 and 35,079.13 is: 52,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,667.77 : 114,962.76 = 35,079.13 : x
  2. Step 2: Convert to fraction form
    76,667.77/114,962.76 = 35,079.13/x
  3. Step 3: Cross multiply
    76,667.77x = 114,962.76 × 35,079.13
  4. Step 4: Simplify right side
    76,667.77x = 4,032,793,603.20
  5. Step 5: Solve for x
    x = 4,032,793,603.20/76,667.77
  6. Step 6: Final answer
    x = 52,600.90

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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.