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Finding the Fourth Proportional to 57,999.19, 80,044.50 and 32,509.90

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Solution

The fourth proportional to 57,999.19, 80,044.50 and 32,509.90 is: 44,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.19 : 80,044.50 = 32,509.90 : x
  2. Step 2: Convert to fraction form
    57,999.19/80,044.50 = 32,509.90/x
  3. Step 3: Cross multiply
    57,999.19x = 80,044.50 × 32,509.90
  4. Step 4: Simplify right side
    57,999.19x = 2,602,238,690.55
  5. Step 5: Solve for x
    x = 2,602,238,690.55/57,999.19
  6. Step 6: Final answer
    x = 44,866.81

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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.