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Finding the Fourth Proportional to 50,815.68, 70,128.36 and 29,593.68

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Solution

The fourth proportional to 50,815.68, 70,128.36 and 29,593.68 is: 40,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.68 : 70,128.36 = 29,593.68 : x
  2. Step 2: Convert to fraction form
    50,815.68/70,128.36 = 29,593.68/x
  3. Step 3: Cross multiply
    50,815.68x = 70,128.36 × 29,593.68
  4. Step 4: Simplify right side
    50,815.68x = 2,075,356,244.76
  5. Step 5: Solve for x
    x = 2,075,356,244.76/50,815.68
  6. Step 6: Final answer
    x = 40,840.86

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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.