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Finding the Fourth Proportional to 53,347.19, 80,071.00 and 27,070.79

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Solution

The fourth proportional to 53,347.19, 80,071.00 and 27,070.79 is: 40,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.19 : 80,071.00 = 27,070.79 : x
  2. Step 2: Convert to fraction form
    53,347.19/80,071.00 = 27,070.79/x
  3. Step 3: Cross multiply
    53,347.19x = 80,071.00 × 27,070.79
  4. Step 4: Simplify right side
    53,347.19x = 2,167,584,758.06
  5. Step 5: Solve for x
    x = 2,167,584,758.06/53,347.19
  6. Step 6: Final answer
    x = 40,631.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.