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Finding the Fourth Proportional to 61,975, 93,299.71 and 56,463.76

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Solution

The fourth proportional to 61,975, 93,299.71 and 56,463.76 is: 85,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,975 : 93,299.71 = 56,463.76 : x
  2. Step 2: Convert to fraction form
    61,975/93,299.71 = 56,463.76/x
  3. Step 3: Cross multiply
    61,975x = 93,299.71 × 56,463.76
  4. Step 4: Simplify right side
    61,975x = 5,268,052,433.51
  5. Step 5: Solve for x
    x = 5,268,052,433.51/61,975
  6. Step 6: Final answer
    x = 85,002.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.