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Finding the Fourth Proportional to 60,675.95, 91,030.32 and 18,557.51

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Solution

The fourth proportional to 60,675.95, 91,030.32 and 18,557.51 is: 27,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,675.95 : 91,030.32 = 18,557.51 : x
  2. Step 2: Convert to fraction form
    60,675.95/91,030.32 = 18,557.51/x
  3. Step 3: Cross multiply
    60,675.95x = 91,030.32 × 18,557.51
  4. Step 4: Simplify right side
    60,675.95x = 1,689,296,073.70
  5. Step 5: Solve for x
    x = 1,689,296,073.70/60,675.95
  6. Step 6: Final answer
    x = 27,841.28

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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.