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Finding the Fourth Proportional to 19,754.04, 27,261.12 and 10,802.04

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Solution

The fourth proportional to 19,754.04, 27,261.12 and 10,802.04 is: 14,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.04 : 27,261.12 = 10,802.04 : x
  2. Step 2: Convert to fraction form
    19,754.04/27,261.12 = 10,802.04/x
  3. Step 3: Cross multiply
    19,754.04x = 27,261.12 × 10,802.04
  4. Step 4: Simplify right side
    19,754.04x = 294,475,708.68
  5. Step 5: Solve for x
    x = 294,475,708.68/19,754.04
  6. Step 6: Final answer
    x = 14,907.11

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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.