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Finding the Fourth Proportional to 23,144.60, 34,718.76 and 8,355.02

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Solution

The fourth proportional to 23,144.60, 34,718.76 and 8,355.02 is: 12,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.60 : 34,718.76 = 8,355.02 : x
  2. Step 2: Convert to fraction form
    23,144.60/34,718.76 = 8,355.02/x
  3. Step 3: Cross multiply
    23,144.60x = 34,718.76 × 8,355.02
  4. Step 4: Simplify right side
    23,144.60x = 290,075,760.58
  5. Step 5: Solve for x
    x = 290,075,760.58/23,144.60
  6. Step 6: Final answer
    x = 12,533.19

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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.