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Finding the Fourth Proportional to 58,378.80, 80,623.80 and 45,894.96

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Solution

The fourth proportional to 58,378.80, 80,623.80 and 45,894.96 is: 63,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.80 : 80,623.80 = 45,894.96 : x
  2. Step 2: Convert to fraction form
    58,378.80/80,623.80 = 45,894.96/x
  3. Step 3: Cross multiply
    58,378.80x = 80,623.80 × 45,894.96
  4. Step 4: Simplify right side
    58,378.80x = 3,700,226,076.05
  5. Step 5: Solve for x
    x = 3,700,226,076.05/58,378.80
  6. Step 6: Final answer
    x = 63,383.04

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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.