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Finding the Fourth Proportional to 14,053.04, 19,392.06 and 7,765.42

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Solution

The fourth proportional to 14,053.04, 19,392.06 and 7,765.42 is: 10,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.04 : 19,392.06 = 7,765.42 : x
  2. Step 2: Convert to fraction form
    14,053.04/19,392.06 = 7,765.42/x
  3. Step 3: Cross multiply
    14,053.04x = 19,392.06 × 7,765.42
  4. Step 4: Simplify right side
    14,053.04x = 150,587,490.57
  5. Step 5: Solve for x
    x = 150,587,490.57/14,053.04
  6. Step 6: Final answer
    x = 10,715.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.