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Finding the Fourth Proportional to 58,397.76, 80,419.12 and 50,737.48

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Solution

The fourth proportional to 58,397.76, 80,419.12 and 50,737.48 is: 69,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,397.76 : 80,419.12 = 50,737.48 : x
  2. Step 2: Convert to fraction form
    58,397.76/80,419.12 = 50,737.48/x
  3. Step 3: Cross multiply
    58,397.76x = 80,419.12 × 50,737.48
  4. Step 4: Simplify right side
    58,397.76x = 4,080,263,492.62
  5. Step 5: Solve for x
    x = 4,080,263,492.62/58,397.76
  6. Step 6: Final answer
    x = 69,870.21

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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.