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Finding the Fourth Proportional to 76,001.84, 104,780.28 and 53,310.32

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Solution

The fourth proportional to 76,001.84, 104,780.28 and 53,310.32 is: 73,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,001.84 : 104,780.28 = 53,310.32 : x
  2. Step 2: Convert to fraction form
    76,001.84/104,780.28 = 53,310.32/x
  3. Step 3: Cross multiply
    76,001.84x = 104,780.28 × 53,310.32
  4. Step 4: Simplify right side
    76,001.84x = 5,585,870,256.49
  5. Step 5: Solve for x
    x = 5,585,870,256.49/76,001.84
  6. Step 6: Final answer
    x = 73,496.51

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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.