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Finding the Fourth Proportional to 24,586.80, 33,931.80 and 13,979.76

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Solution

The fourth proportional to 24,586.80, 33,931.80 and 13,979.76 is: 19,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,586.80 : 33,931.80 = 13,979.76 : x
  2. Step 2: Convert to fraction form
    24,586.80/33,931.80 = 13,979.76/x
  3. Step 3: Cross multiply
    24,586.80x = 33,931.80 × 13,979.76
  4. Step 4: Simplify right side
    24,586.80x = 474,358,420.37
  5. Step 5: Solve for x
    x = 474,358,420.37/24,586.80
  6. Step 6: Final answer
    x = 19,293.22

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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.