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Finding the Fourth Proportional to 7,479.64, 11,209.74 and 7,363

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Solution

The fourth proportional to 7,479.64, 11,209.74 and 7,363 is: 11,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.64 : 11,209.74 = 7,363 : x
  2. Step 2: Convert to fraction form
    7,479.64/11,209.74 = 7,363/x
  3. Step 3: Cross multiply
    7,479.64x = 11,209.74 × 7,363
  4. Step 4: Simplify right side
    7,479.64x = 82,537,315.62
  5. Step 5: Solve for x
    x = 82,537,315.62/7,479.64
  6. Step 6: Final answer
    x = 11,034.93

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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.