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Finding the Fourth Proportional to 58,345.78, 80,524.84 and 32,857.12

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Solution

The fourth proportional to 58,345.78, 80,524.84 and 32,857.12 is: 45,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,345.78 : 80,524.84 = 32,857.12 : x
  2. Step 2: Convert to fraction form
    58,345.78/80,524.84 = 32,857.12/x
  3. Step 3: Cross multiply
    58,345.78x = 80,524.84 × 32,857.12
  4. Step 4: Simplify right side
    58,345.78x = 2,645,814,047.41
  5. Step 5: Solve for x
    x = 2,645,814,047.41/58,345.78
  6. Step 6: Final answer
    x = 45,347.14

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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.