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Finding the Fourth Proportional to 14,349.51, 19,802.07 and 8,760.51

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Solution

The fourth proportional to 14,349.51, 19,802.07 and 8,760.51 is: 12,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.51 : 19,802.07 = 8,760.51 : x
  2. Step 2: Convert to fraction form
    14,349.51/19,802.07 = 8,760.51/x
  3. Step 3: Cross multiply
    14,349.51x = 19,802.07 × 8,760.51
  4. Step 4: Simplify right side
    14,349.51x = 173,476,232.26
  5. Step 5: Solve for x
    x = 173,476,232.26/14,349.51
  6. Step 6: Final answer
    x = 12,089.35

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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.