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Finding the Fourth Proportional to 58,478.64, 80,700.97 and 32,285.44

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Solution

The fourth proportional to 58,478.64, 80,700.97 and 32,285.44 is: 44,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,478.64 : 80,700.97 = 32,285.44 : x
  2. Step 2: Convert to fraction form
    58,478.64/80,700.97 = 32,285.44/x
  3. Step 3: Cross multiply
    58,478.64x = 80,700.97 × 32,285.44
  4. Step 4: Simplify right side
    58,478.64x = 2,605,465,921.37
  5. Step 5: Solve for x
    x = 2,605,465,921.37/58,478.64
  6. Step 6: Final answer
    x = 44,554.15

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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.