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Finding the Fourth Proportional to 30,559.65, 45,839.51 and 8,373.22

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Solution

The fourth proportional to 30,559.65, 45,839.51 and 8,373.22 is: 12,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559.65 : 45,839.51 = 8,373.22 : x
  2. Step 2: Convert to fraction form
    30,559.65/45,839.51 = 8,373.22/x
  3. Step 3: Cross multiply
    30,559.65x = 45,839.51 × 8,373.22
  4. Step 4: Simplify right side
    30,559.65x = 383,824,301.92
  5. Step 5: Solve for x
    x = 383,824,301.92/30,559.65
  6. Step 6: Final answer
    x = 12,559.84

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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.