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Finding the Fourth Proportional to 15,235.40, 22,843.85 and 9,964.04

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Solution

The fourth proportional to 15,235.40, 22,843.85 and 9,964.04 is: 14,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235.40 : 22,843.85 = 9,964.04 : x
  2. Step 2: Convert to fraction form
    15,235.40/22,843.85 = 9,964.04/x
  3. Step 3: Cross multiply
    15,235.40x = 22,843.85 × 9,964.04
  4. Step 4: Simplify right side
    15,235.40x = 227,616,871.11
  5. Step 5: Solve for x
    x = 227,616,871.11/15,235.40
  6. Step 6: Final answer
    x = 14,940.00

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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.