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Finding the Fourth Proportional to 14,964.80, 22,495.80 and 10,612.40

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Solution

The fourth proportional to 14,964.80, 22,495.80 and 10,612.40 is: 15,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.80 : 22,495.80 = 10,612.40 : x
  2. Step 2: Convert to fraction form
    14,964.80/22,495.80 = 10,612.40/x
  3. Step 3: Cross multiply
    14,964.80x = 22,495.80 × 10,612.40
  4. Step 4: Simplify right side
    14,964.80x = 238,734,427.92
  5. Step 5: Solve for x
    x = 238,734,427.92/14,964.80
  6. Step 6: Final answer
    x = 15,953.07

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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.