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Finding the Fourth Proportional to 51,347.61, 70,859.75 and 29,841.57

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Solution

The fourth proportional to 51,347.61, 70,859.75 and 29,841.57 is: 41,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,347.61 : 70,859.75 = 29,841.57 : x
  2. Step 2: Convert to fraction form
    51,347.61/70,859.75 = 29,841.57/x
  3. Step 3: Cross multiply
    51,347.61x = 70,859.75 × 29,841.57
  4. Step 4: Simplify right side
    51,347.61x = 2,114,566,040.60
  5. Step 5: Solve for x
    x = 2,114,566,040.60/51,347.61
  6. Step 6: Final answer
    x = 41,181.39

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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.