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Finding the Fourth Proportional to 9,393.30, 14,070.78 and 4,447.91

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Solution

The fourth proportional to 9,393.30, 14,070.78 and 4,447.91 is: 6,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.30 : 14,070.78 = 4,447.91 : x
  2. Step 2: Convert to fraction form
    9,393.30/14,070.78 = 4,447.91/x
  3. Step 3: Cross multiply
    9,393.30x = 14,070.78 × 4,447.91
  4. Step 4: Simplify right side
    9,393.30x = 62,585,598.25
  5. Step 5: Solve for x
    x = 62,585,598.25/9,393.30
  6. Step 6: Final answer
    x = 6,662.79

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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.