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Finding the Fourth Proportional to 75,525.87, 104,240.79 and 57,588.84

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Solution

The fourth proportional to 75,525.87, 104,240.79 and 57,588.84 is: 79,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,525.87 : 104,240.79 = 57,588.84 : x
  2. Step 2: Convert to fraction form
    75,525.87/104,240.79 = 57,588.84/x
  3. Step 3: Cross multiply
    75,525.87x = 104,240.79 × 57,588.84
  4. Step 4: Simplify right side
    75,525.87x = 6,003,106,176.78
  5. Step 5: Solve for x
    x = 6,003,106,176.78/75,525.87
  6. Step 6: Final answer
    x = 79,484.10

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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.