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Finding the Fourth Proportional to 60,320.99, 90,530.67 and 30,747.26

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Solution

The fourth proportional to 60,320.99, 90,530.67 and 30,747.26 is: 46,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,320.99 : 90,530.67 = 30,747.26 : x
  2. Step 2: Convert to fraction form
    60,320.99/90,530.67 = 30,747.26/x
  3. Step 3: Cross multiply
    60,320.99x = 90,530.67 × 30,747.26
  4. Step 4: Simplify right side
    60,320.99x = 2,783,570,048.46
  5. Step 5: Solve for x
    x = 2,783,570,048.46/60,320.99
  6. Step 6: Final answer
    x = 46,145.96

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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.