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Finding the Fourth Proportional to 14,089.88, 19,444.03 and 7,802.25

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Solution

The fourth proportional to 14,089.88, 19,444.03 and 7,802.25 is: 10,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.88 : 19,444.03 = 7,802.25 : x
  2. Step 2: Convert to fraction form
    14,089.88/19,444.03 = 7,802.25/x
  3. Step 3: Cross multiply
    14,089.88x = 19,444.03 × 7,802.25
  4. Step 4: Simplify right side
    14,089.88x = 151,707,183.07
  5. Step 5: Solve for x
    x = 151,707,183.07/14,089.88
  6. Step 6: Final answer
    x = 10,767.11

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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.