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Finding the Fourth Proportional to 9,393.75, 14,095.49 and 4,776.75

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Solution

The fourth proportional to 9,393.75, 14,095.49 and 4,776.75 is: 7,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.75 : 14,095.49 = 4,776.75 : x
  2. Step 2: Convert to fraction form
    9,393.75/14,095.49 = 4,776.75/x
  3. Step 3: Cross multiply
    9,393.75x = 14,095.49 × 4,776.75
  4. Step 4: Simplify right side
    9,393.75x = 67,330,631.86
  5. Step 5: Solve for x
    x = 67,330,631.86/9,393.75
  6. Step 6: Final answer
    x = 7,167.60

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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.