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Finding the Fourth Proportional to 7,888.68, 11,823.82 and 5,934.60

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Solution

The fourth proportional to 7,888.68, 11,823.82 and 5,934.60 is: 8,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.68 : 11,823.82 = 5,934.60 : x
  2. Step 2: Convert to fraction form
    7,888.68/11,823.82 = 5,934.60/x
  3. Step 3: Cross multiply
    7,888.68x = 11,823.82 × 5,934.60
  4. Step 4: Simplify right side
    7,888.68x = 70,169,642.17
  5. Step 5: Solve for x
    x = 70,169,642.17/7,888.68
  6. Step 6: Final answer
    x = 8,894.98

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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.