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Finding the Fourth Proportional to 56,549.61, 78,016.10 and 32,671.89

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Solution

The fourth proportional to 56,549.61, 78,016.10 and 32,671.89 is: 45,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,549.61 : 78,016.10 = 32,671.89 : x
  2. Step 2: Convert to fraction form
    56,549.61/78,016.10 = 32,671.89/x
  3. Step 3: Cross multiply
    56,549.61x = 78,016.10 × 32,671.89
  4. Step 4: Simplify right side
    56,549.61x = 2,548,933,274.07
  5. Step 5: Solve for x
    x = 2,548,933,274.07/56,549.61
  6. Step 6: Final answer
    x = 45,074.29

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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.