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Finding the Fourth Proportional to 58,348.90, 80,520.84 and 34,475.08

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Solution

The fourth proportional to 58,348.90, 80,520.84 and 34,475.08 is: 47,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,348.90 : 80,520.84 = 34,475.08 : x
  2. Step 2: Convert to fraction form
    58,348.90/80,520.84 = 34,475.08/x
  3. Step 3: Cross multiply
    58,348.90x = 80,520.84 × 34,475.08
  4. Step 4: Simplify right side
    58,348.90x = 2,775,962,400.67
  5. Step 5: Solve for x
    x = 2,775,962,400.67/58,348.90
  6. Step 6: Final answer
    x = 47,575.23

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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.