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Finding the Fourth Proportional to 9,237.88, 12,748.59 and 5,046.40

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Solution

The fourth proportional to 9,237.88, 12,748.59 and 5,046.40 is: 6,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.88 : 12,748.59 = 5,046.40 : x
  2. Step 2: Convert to fraction form
    9,237.88/12,748.59 = 5,046.40/x
  3. Step 3: Cross multiply
    9,237.88x = 12,748.59 × 5,046.40
  4. Step 4: Simplify right side
    9,237.88x = 64,334,395.60
  5. Step 5: Solve for x
    x = 64,334,395.60/9,237.88
  6. Step 6: Final answer
    x = 6,964.20

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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.