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Finding the Fourth Proportional to 58,526.19, 87,780.11 and 19,083.11

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Solution

The fourth proportional to 58,526.19, 87,780.11 and 19,083.11 is: 28,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,526.19 : 87,780.11 = 19,083.11 : x
  2. Step 2: Convert to fraction form
    58,526.19/87,780.11 = 19,083.11/x
  3. Step 3: Cross multiply
    58,526.19x = 87,780.11 × 19,083.11
  4. Step 4: Simplify right side
    58,526.19x = 1,675,116,960.63
  5. Step 5: Solve for x
    x = 1,675,116,960.63/58,526.19
  6. Step 6: Final answer
    x = 28,621.66

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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.