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Finding the Fourth Proportional to 58,605.93, 80,877.69 and 34,728.75

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Solution

The fourth proportional to 58,605.93, 80,877.69 and 34,728.75 is: 47,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,605.93 : 80,877.69 = 34,728.75 : x
  2. Step 2: Convert to fraction form
    58,605.93/80,877.69 = 34,728.75/x
  3. Step 3: Cross multiply
    58,605.93x = 80,877.69 × 34,728.75
  4. Step 4: Simplify right side
    58,605.93x = 2,808,781,076.59
  5. Step 5: Solve for x
    x = 2,808,781,076.59/58,605.93
  6. Step 6: Final answer
    x = 47,926.57

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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.