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Finding the Fourth Proportional to 14,349.44, 19,804.08 and 8,061.81

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Solution

The fourth proportional to 14,349.44, 19,804.08 and 8,061.81 is: 11,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.44 : 19,804.08 = 8,061.81 : x
  2. Step 2: Convert to fraction form
    14,349.44/19,804.08 = 8,061.81/x
  3. Step 3: Cross multiply
    14,349.44x = 19,804.08 × 8,061.81
  4. Step 4: Simplify right side
    14,349.44x = 159,656,730.18
  5. Step 5: Solve for x
    x = 159,656,730.18/14,349.44
  6. Step 6: Final answer
    x = 11,126.34

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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.