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Finding the Fourth Proportional to 71,804.76, 99,122.94 and 51,402.84

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Solution

The fourth proportional to 71,804.76, 99,122.94 and 51,402.84 is: 70,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,804.76 : 99,122.94 = 51,402.84 : x
  2. Step 2: Convert to fraction form
    71,804.76/99,122.94 = 51,402.84/x
  3. Step 3: Cross multiply
    71,804.76x = 99,122.94 × 51,402.84
  4. Step 4: Simplify right side
    71,804.76x = 5,095,200,625.15
  5. Step 5: Solve for x
    x = 5,095,200,625.15/71,804.76
  6. Step 6: Final answer
    x = 70,959.09

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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.