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Finding the Fourth Proportional to 55,894.89, 77,145.90 and 32,037.55

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Solution

The fourth proportional to 55,894.89, 77,145.90 and 32,037.55 is: 44,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,894.89 : 77,145.90 = 32,037.55 : x
  2. Step 2: Convert to fraction form
    55,894.89/77,145.90 = 32,037.55/x
  3. Step 3: Cross multiply
    55,894.89x = 77,145.90 × 32,037.55
  4. Step 4: Simplify right side
    55,894.89x = 2,471,565,628.55
  5. Step 5: Solve for x
    x = 2,471,565,628.55/55,894.89
  6. Step 6: Final answer
    x = 44,218.10

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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.