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Finding the Fourth Proportional to 67,652.95, 93,379.83 and 39,364.10

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Solution

The fourth proportional to 67,652.95, 93,379.83 and 39,364.10 is: 54,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,652.95 : 93,379.83 = 39,364.10 : x
  2. Step 2: Convert to fraction form
    67,652.95/93,379.83 = 39,364.10/x
  3. Step 3: Cross multiply
    67,652.95x = 93,379.83 × 39,364.10
  4. Step 4: Simplify right side
    67,652.95x = 3,675,812,966.10
  5. Step 5: Solve for x
    x = 3,675,812,966.10/67,652.95
  6. Step 6: Final answer
    x = 54,333.37

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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.