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Finding the Fourth Proportional to 23,364.80, 35,047.20 and 8,574.20

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Solution

The fourth proportional to 23,364.80, 35,047.20 and 8,574.20 is: 12,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,364.80 : 35,047.20 = 8,574.20 : x
  2. Step 2: Convert to fraction form
    23,364.80/35,047.20 = 8,574.20/x
  3. Step 3: Cross multiply
    23,364.80x = 35,047.20 × 8,574.20
  4. Step 4: Simplify right side
    23,364.80x = 300,501,702.24
  5. Step 5: Solve for x
    x = 300,501,702.24/23,364.80
  6. Step 6: Final answer
    x = 12,861.30

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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.