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Finding the Fourth Proportional to 4,934.13, 7,412.69 and 4,668.72

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Solution

The fourth proportional to 4,934.13, 7,412.69 and 4,668.72 is: 7,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.13 : 7,412.69 = 4,668.72 : x
  2. Step 2: Convert to fraction form
    4,934.13/7,412.69 = 4,668.72/x
  3. Step 3: Cross multiply
    4,934.13x = 7,412.69 × 4,668.72
  4. Step 4: Simplify right side
    4,934.13x = 34,607,750.71
  5. Step 5: Solve for x
    x = 34,607,750.71/4,934.13
  6. Step 6: Final answer
    x = 7,013.95

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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.