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Finding the Fourth Proportional to 75,973.91, 104,843.98 and 42,439.91

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Solution

The fourth proportional to 75,973.91, 104,843.98 and 42,439.91 is: 58,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,973.91 : 104,843.98 = 42,439.91 : x
  2. Step 2: Convert to fraction form
    75,973.91/104,843.98 = 42,439.91/x
  3. Step 3: Cross multiply
    75,973.91x = 104,843.98 × 42,439.91
  4. Step 4: Simplify right side
    75,973.91x = 4,449,569,075.24
  5. Step 5: Solve for x
    x = 4,449,569,075.24/75,973.91
  6. Step 6: Final answer
    x = 58,567.07

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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.