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Finding the Fourth Proportional to 67,428.06, 101,141.01 and 25,875.06

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Solution

The fourth proportional to 67,428.06, 101,141.01 and 25,875.06 is: 38,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428.06 : 101,141.01 = 25,875.06 : x
  2. Step 2: Convert to fraction form
    67,428.06/101,141.01 = 25,875.06/x
  3. Step 3: Cross multiply
    67,428.06x = 101,141.01 × 25,875.06
  4. Step 4: Simplify right side
    67,428.06x = 2,617,029,702.21
  5. Step 5: Solve for x
    x = 2,617,029,702.21/67,428.06
  6. Step 6: Final answer
    x = 38,812.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.