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Finding the Fourth Proportional to 13,063.84, 18,028.31 and 7,095.51

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Solution

The fourth proportional to 13,063.84, 18,028.31 and 7,095.51 is: 9,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.84 : 18,028.31 = 7,095.51 : x
  2. Step 2: Convert to fraction form
    13,063.84/18,028.31 = 7,095.51/x
  3. Step 3: Cross multiply
    13,063.84x = 18,028.31 × 7,095.51
  4. Step 4: Simplify right side
    13,063.84x = 127,920,018.41
  5. Step 5: Solve for x
    x = 127,920,018.41/13,063.84
  6. Step 6: Final answer
    x = 9,791.92

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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.