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Finding the Fourth Proportional to 58,281.99, 80,426.21 and 34,404.05

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Solution

The fourth proportional to 58,281.99, 80,426.21 and 34,404.05 is: 47,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.99 : 80,426.21 = 34,404.05 : x
  2. Step 2: Convert to fraction form
    58,281.99/80,426.21 = 34,404.05/x
  3. Step 3: Cross multiply
    58,281.99x = 80,426.21 × 34,404.05
  4. Step 4: Simplify right side
    58,281.99x = 2,766,986,948.02
  5. Step 5: Solve for x
    x = 2,766,986,948.02/58,281.99
  6. Step 6: Final answer
    x = 47,475.85

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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.