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Finding the Fourth Proportional to 9,934.76, 14,903.82 and 4,089.80

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Solution

The fourth proportional to 9,934.76, 14,903.82 and 4,089.80 is: 6,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934.76 : 14,903.82 = 4,089.80 : x
  2. Step 2: Convert to fraction form
    9,934.76/14,903.82 = 4,089.80/x
  3. Step 3: Cross multiply
    9,934.76x = 14,903.82 × 4,089.80
  4. Step 4: Simplify right side
    9,934.76x = 60,953,643.04
  5. Step 5: Solve for x
    x = 60,953,643.04/9,934.76
  6. Step 6: Final answer
    x = 6,135.39

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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.