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Finding the Fourth Proportional to 7,483, 10,326.98 and 4,126.53

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Solution

The fourth proportional to 7,483, 10,326.98 and 4,126.53 is: 5,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483 : 10,326.98 = 4,126.53 : x
  2. Step 2: Convert to fraction form
    7,483/10,326.98 = 4,126.53/x
  3. Step 3: Cross multiply
    7,483x = 10,326.98 × 4,126.53
  4. Step 4: Simplify right side
    7,483x = 42,614,572.15
  5. Step 5: Solve for x
    x = 42,614,572.15/7,483
  6. Step 6: Final answer
    x = 5,694.85

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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.