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Finding the Fourth Proportional to 58,809.51, 88,181.06 and 19,356.03

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Solution

The fourth proportional to 58,809.51, 88,181.06 and 19,356.03 is: 29,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,809.51 : 88,181.06 = 19,356.03 : x
  2. Step 2: Convert to fraction form
    58,809.51/88,181.06 = 19,356.03/x
  3. Step 3: Cross multiply
    58,809.51x = 88,181.06 × 19,356.03
  4. Step 4: Simplify right side
    58,809.51x = 1,706,835,146.01
  5. Step 5: Solve for x
    x = 1,706,835,146.01/58,809.51
  6. Step 6: Final answer
    x = 29,023.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.