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Finding the Fourth Proportional to 53,059.19, 73,221.08 and 29,186.19

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Solution

The fourth proportional to 53,059.19, 73,221.08 and 29,186.19 is: 40,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,059.19 : 73,221.08 = 29,186.19 : x
  2. Step 2: Convert to fraction form
    53,059.19/73,221.08 = 29,186.19/x
  3. Step 3: Cross multiply
    53,059.19x = 73,221.08 × 29,186.19
  4. Step 4: Simplify right side
    53,059.19x = 2,137,044,206.95
  5. Step 5: Solve for x
    x = 2,137,044,206.95/53,059.19
  6. Step 6: Final answer
    x = 40,276.61

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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.