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Finding the Fourth Proportional to 58,101.60, 80,218.56 and 44,648.40

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Solution

The fourth proportional to 58,101.60, 80,218.56 and 44,648.40 is: 61,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,101.60 : 80,218.56 = 44,648.40 : x
  2. Step 2: Convert to fraction form
    58,101.60/80,218.56 = 44,648.40/x
  3. Step 3: Cross multiply
    58,101.60x = 80,218.56 × 44,648.40
  4. Step 4: Simplify right side
    58,101.60x = 3,581,630,354.30
  5. Step 5: Solve for x
    x = 3,581,630,354.30/58,101.60
  6. Step 6: Final answer
    x = 61,644.26

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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.