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Finding the Fourth Proportional to 14,325.61, 19,769.03 and 7,951.83

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Solution

The fourth proportional to 14,325.61, 19,769.03 and 7,951.83 is: 10,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.61 : 19,769.03 = 7,951.83 : x
  2. Step 2: Convert to fraction form
    14,325.61/19,769.03 = 7,951.83/x
  3. Step 3: Cross multiply
    14,325.61x = 19,769.03 × 7,951.83
  4. Step 4: Simplify right side
    14,325.61x = 157,199,965.82
  5. Step 5: Solve for x
    x = 157,199,965.82/14,325.61
  6. Step 6: Final answer
    x = 10,973.35

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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.