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Finding the Fourth Proportional to 58,340.64, 80,484.84 and 35,680.68

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Solution

The fourth proportional to 58,340.64, 80,484.84 and 35,680.68 is: 49,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,340.64 : 80,484.84 = 35,680.68 : x
  2. Step 2: Convert to fraction form
    58,340.64/80,484.84 = 35,680.68/x
  3. Step 3: Cross multiply
    58,340.64x = 80,484.84 × 35,680.68
  4. Step 4: Simplify right side
    58,340.64x = 2,871,753,820.89
  5. Step 5: Solve for x
    x = 2,871,753,820.89/58,340.64
  6. Step 6: Final answer
    x = 49,223.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.