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Finding the Fourth Proportional to 14,953.05, 22,424.72 and 7,929.14

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Solution

The fourth proportional to 14,953.05, 22,424.72 and 7,929.14 is: 11,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.05 : 22,424.72 = 7,929.14 : x
  2. Step 2: Convert to fraction form
    14,953.05/22,424.72 = 7,929.14/x
  3. Step 3: Cross multiply
    14,953.05x = 22,424.72 × 7,929.14
  4. Step 4: Simplify right side
    14,953.05x = 177,808,592.57
  5. Step 5: Solve for x
    x = 177,808,592.57/14,953.05
  6. Step 6: Final answer
    x = 11,891.13

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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.