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Finding the Fourth Proportional to 10,473.74, 14,448.95 and 9,279.95

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Solution

The fourth proportional to 10,473.74, 14,448.95 and 9,279.95 is: 12,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.74 : 14,448.95 = 9,279.95 : x
  2. Step 2: Convert to fraction form
    10,473.74/14,448.95 = 9,279.95/x
  3. Step 3: Cross multiply
    10,473.74x = 14,448.95 × 9,279.95
  4. Step 4: Simplify right side
    10,473.74x = 134,085,414.91
  5. Step 5: Solve for x
    x = 134,085,414.91/10,473.74
  6. Step 6: Final answer
    x = 12,802.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.