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Finding the Fourth Proportional to 60,698.74, 91,048.15 and 19,148.98

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Solution

The fourth proportional to 60,698.74, 91,048.15 and 19,148.98 is: 28,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,698.74 : 91,048.15 = 19,148.98 : x
  2. Step 2: Convert to fraction form
    60,698.74/91,048.15 = 19,148.98/x
  3. Step 3: Cross multiply
    60,698.74x = 91,048.15 × 19,148.98
  4. Step 4: Simplify right side
    60,698.74x = 1,743,479,203.39
  5. Step 5: Solve for x
    x = 1,743,479,203.39/60,698.74
  6. Step 6: Final answer
    x = 28,723.48

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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.