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Finding the Fourth Proportional to 60,005.40, 89,921.70 and 26,698.20

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Solution

The fourth proportional to 60,005.40, 89,921.70 and 26,698.20 is: 40,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,005.40 : 89,921.70 = 26,698.20 : x
  2. Step 2: Convert to fraction form
    60,005.40/89,921.70 = 26,698.20/x
  3. Step 3: Cross multiply
    60,005.40x = 89,921.70 × 26,698.20
  4. Step 4: Simplify right side
    60,005.40x = 2,400,747,530.94
  5. Step 5: Solve for x
    x = 2,400,747,530.94/60,005.40
  6. Step 6: Final answer
    x = 40,008.86

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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.