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Finding the Fourth Proportional to 14,617.47, 21,926.15 and 5,257.47

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Solution

The fourth proportional to 14,617.47, 21,926.15 and 5,257.47 is: 7,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.47 : 21,926.15 = 5,257.47 : x
  2. Step 2: Convert to fraction form
    14,617.47/21,926.15 = 5,257.47/x
  3. Step 3: Cross multiply
    14,617.47x = 21,926.15 × 5,257.47
  4. Step 4: Simplify right side
    14,617.47x = 115,276,055.00
  5. Step 5: Solve for x
    x = 115,276,055.00/14,617.47
  6. Step 6: Final answer
    x = 7,886.19

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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.