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Finding the Fourth Proportional to 75,995.84, 104,772.48 and 53,304.32

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Solution

The fourth proportional to 75,995.84, 104,772.48 and 53,304.32 is: 73,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,995.84 : 104,772.48 = 53,304.32 : x
  2. Step 2: Convert to fraction form
    75,995.84/104,772.48 = 53,304.32/x
  3. Step 3: Cross multiply
    75,995.84x = 104,772.48 × 53,304.32
  4. Step 4: Simplify right side
    75,995.84x = 5,584,825,801.11
  5. Step 5: Solve for x
    x = 5,584,825,801.11/75,995.84
  6. Step 6: Final answer
    x = 73,488.57

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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.