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Finding the Fourth Proportional to 55,425.54, 76,492.86 and 32,771.86

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Solution

The fourth proportional to 55,425.54, 76,492.86 and 32,771.86 is: 45,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.54 : 76,492.86 = 32,771.86 : x
  2. Step 2: Convert to fraction form
    55,425.54/76,492.86 = 32,771.86/x
  3. Step 3: Cross multiply
    55,425.54x = 76,492.86 × 32,771.86
  4. Step 4: Simplify right side
    55,425.54x = 2,506,813,298.92
  5. Step 5: Solve for x
    x = 2,506,813,298.92/55,425.54
  6. Step 6: Final answer
    x = 45,228.49

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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.