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Finding the Fourth Proportional to 57,990.77, 80,032.88 and 32,501.45

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Solution

The fourth proportional to 57,990.77, 80,032.88 and 32,501.45 is: 44,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.77 : 80,032.88 = 32,501.45 : x
  2. Step 2: Convert to fraction form
    57,990.77/80,032.88 = 32,501.45/x
  3. Step 3: Cross multiply
    57,990.77x = 80,032.88 × 32,501.45
  4. Step 4: Simplify right side
    57,990.77x = 2,601,184,085.00
  5. Step 5: Solve for x
    x = 2,601,184,085.00/57,990.77
  6. Step 6: Final answer
    x = 44,855.14

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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.