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Finding the Fourth Proportional to 14,617.86, 21,927.93 and 5,259.10

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Solution

The fourth proportional to 14,617.86, 21,927.93 and 5,259.10 is: 7,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.86 : 21,927.93 = 5,259.10 : x
  2. Step 2: Convert to fraction form
    14,617.86/21,927.93 = 5,259.10/x
  3. Step 3: Cross multiply
    14,617.86x = 21,927.93 × 5,259.10
  4. Step 4: Simplify right side
    14,617.86x = 115,321,176.66
  5. Step 5: Solve for x
    x = 115,321,176.66/14,617.86
  6. Step 6: Final answer
    x = 7,889.06

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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.