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Finding the Fourth Proportional to 68,010.84, 93,901.68 and 42,528.24

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Solution

The fourth proportional to 68,010.84, 93,901.68 and 42,528.24 is: 58,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.84 : 93,901.68 = 42,528.24 : x
  2. Step 2: Convert to fraction form
    68,010.84/93,901.68 = 42,528.24/x
  3. Step 3: Cross multiply
    68,010.84x = 93,901.68 × 42,528.24
  4. Step 4: Simplify right side
    68,010.84x = 3,993,473,183.44
  5. Step 5: Solve for x
    x = 3,993,473,183.44/68,010.84
  6. Step 6: Final answer
    x = 58,718.19

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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.