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Finding the Fourth Proportional to 9,237.58, 12,747.80 and 5,045.80

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Solution

The fourth proportional to 9,237.58, 12,747.80 and 5,045.80 is: 6,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.58 : 12,747.80 = 5,045.80 : x
  2. Step 2: Convert to fraction form
    9,237.58/12,747.80 = 5,045.80/x
  3. Step 3: Cross multiply
    9,237.58x = 12,747.80 × 5,045.80
  4. Step 4: Simplify right side
    9,237.58x = 64,322,849.24
  5. Step 5: Solve for x
    x = 64,322,849.24/9,237.58
  6. Step 6: Final answer
    x = 6,963.17

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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.