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Finding the Fourth Proportional to 19,802.58, 27,351.84 and 16,030.01

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Solution

The fourth proportional to 19,802.58, 27,351.84 and 16,030.01 is: 22,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.58 : 27,351.84 = 16,030.01 : x
  2. Step 2: Convert to fraction form
    19,802.58/27,351.84 = 16,030.01/x
  3. Step 3: Cross multiply
    19,802.58x = 27,351.84 × 16,030.01
  4. Step 4: Simplify right side
    19,802.58x = 438,450,091.88
  5. Step 5: Solve for x
    x = 438,450,091.88/19,802.58
  6. Step 6: Final answer
    x = 22,141.06

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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.