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Finding the Fourth Proportional to 42,479.80, 58,618.02 and 24,571.24

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Solution

The fourth proportional to 42,479.80, 58,618.02 and 24,571.24 is: 33,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,479.80 : 58,618.02 = 24,571.24 : x
  2. Step 2: Convert to fraction form
    42,479.80/58,618.02 = 24,571.24/x
  3. Step 3: Cross multiply
    42,479.80x = 58,618.02 × 24,571.24
  4. Step 4: Simplify right side
    42,479.80x = 1,440,317,437.74
  5. Step 5: Solve for x
    x = 1,440,317,437.74/42,479.80
  6. Step 6: Final answer
    x = 33,905.94

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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.