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Finding the Fourth Proportional to 60,660.60, 90,947.70 and 23,206.20

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Solution

The fourth proportional to 60,660.60, 90,947.70 and 23,206.20 is: 34,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660.60 : 90,947.70 = 23,206.20 : x
  2. Step 2: Convert to fraction form
    60,660.60/90,947.70 = 23,206.20/x
  3. Step 3: Cross multiply
    60,660.60x = 90,947.70 × 23,206.20
  4. Step 4: Simplify right side
    60,660.60x = 2,110,550,515.74
  5. Step 5: Solve for x
    x = 2,110,550,515.74/60,660.60
  6. Step 6: Final answer
    x = 34,792.77

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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.