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Finding the Fourth Proportional to 7,373.71, 10,173.99 and 4,390.66

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Solution

The fourth proportional to 7,373.71, 10,173.99 and 4,390.66 is: 6,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.71 : 10,173.99 = 4,390.66 : x
  2. Step 2: Convert to fraction form
    7,373.71/10,173.99 = 4,390.66/x
  3. Step 3: Cross multiply
    7,373.71x = 10,173.99 × 4,390.66
  4. Step 4: Simplify right side
    7,373.71x = 44,670,530.93
  5. Step 5: Solve for x
    x = 44,670,530.93/7,373.71
  6. Step 6: Final answer
    x = 6,058.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.