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Finding the Fourth Proportional to 10,602.77, 15,879.93 and 5,060.01

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Solution

The fourth proportional to 10,602.77, 15,879.93 and 5,060.01 is: 7,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.77 : 15,879.93 = 5,060.01 : x
  2. Step 2: Convert to fraction form
    10,602.77/15,879.93 = 5,060.01/x
  3. Step 3: Cross multiply
    10,602.77x = 15,879.93 × 5,060.01
  4. Step 4: Simplify right side
    10,602.77x = 80,352,604.60
  5. Step 5: Solve for x
    x = 80,352,604.60/10,602.77
  6. Step 6: Final answer
    x = 7,578.45

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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.