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Finding the Fourth Proportional to 69,808.92, 96,337.46 and 37,977.84

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Solution

The fourth proportional to 69,808.92, 96,337.46 and 37,977.84 is: 52,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808.92 : 96,337.46 = 37,977.84 : x
  2. Step 2: Convert to fraction form
    69,808.92/96,337.46 = 37,977.84/x
  3. Step 3: Cross multiply
    69,808.92x = 96,337.46 × 37,977.84
  4. Step 4: Simplify right side
    69,808.92x = 3,658,688,641.89
  5. Step 5: Solve for x
    x = 3,658,688,641.89/69,808.92
  6. Step 6: Final answer
    x = 52,410.05

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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.