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Finding the Fourth Proportional to 60,674.66, 91,011.92 and 28,213.64

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Solution

The fourth proportional to 60,674.66, 91,011.92 and 28,213.64 is: 42,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,674.66 : 91,011.92 = 28,213.64 : x
  2. Step 2: Convert to fraction form
    60,674.66/91,011.92 = 28,213.64/x
  3. Step 3: Cross multiply
    60,674.66x = 91,011.92 × 28,213.64
  4. Step 4: Simplify right side
    60,674.66x = 2,567,776,950.46
  5. Step 5: Solve for x
    x = 2,567,776,950.46/60,674.66
  6. Step 6: Final answer
    x = 42,320.42

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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.