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Finding the Fourth Proportional to 38,095.92, 57,078.84 and 26,984.16

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Solution

The fourth proportional to 38,095.92, 57,078.84 and 26,984.16 is: 40,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,095.92 : 57,078.84 = 26,984.16 : x
  2. Step 2: Convert to fraction form
    38,095.92/57,078.84 = 26,984.16/x
  3. Step 3: Cross multiply
    38,095.92x = 57,078.84 × 26,984.16
  4. Step 4: Simplify right side
    38,095.92x = 1,540,224,551.17
  5. Step 5: Solve for x
    x = 1,540,224,551.17/38,095.92
  6. Step 6: Final answer
    x = 40,430.17

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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.