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Finding the Fourth Proportional to 60,782.30, 90,873.74 and 51,525.62

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Solution

The fourth proportional to 60,782.30, 90,873.74 and 51,525.62 is: 77,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,782.30 : 90,873.74 = 51,525.62 : x
  2. Step 2: Convert to fraction form
    60,782.30/90,873.74 = 51,525.62/x
  3. Step 3: Cross multiply
    60,782.30x = 90,873.74 × 51,525.62
  4. Step 4: Simplify right side
    60,782.30x = 4,682,325,795.22
  5. Step 5: Solve for x
    x = 4,682,325,795.22/60,782.30
  6. Step 6: Final answer
    x = 77,034.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.