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Finding the Fourth Proportional to 75,711.99, 104,482.55 and 43,899.34

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Solution

The fourth proportional to 75,711.99, 104,482.55 and 43,899.34 is: 60,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,711.99 : 104,482.55 = 43,899.34 : x
  2. Step 2: Convert to fraction form
    75,711.99/104,482.55 = 43,899.34/x
  3. Step 3: Cross multiply
    75,711.99x = 104,482.55 × 43,899.34
  4. Step 4: Simplify right side
    75,711.99x = 4,586,714,986.52
  5. Step 5: Solve for x
    x = 4,586,714,986.52/75,711.99
  6. Step 6: Final answer
    x = 60,581.09

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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.