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Finding the Fourth Proportional to 10,598.75, 15,900.50 and 3,578.51

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Solution

The fourth proportional to 10,598.75, 15,900.50 and 3,578.51 is: 5,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598.75 : 15,900.50 = 3,578.51 : x
  2. Step 2: Convert to fraction form
    10,598.75/15,900.50 = 3,578.51/x
  3. Step 3: Cross multiply
    10,598.75x = 15,900.50 × 3,578.51
  4. Step 4: Simplify right side
    10,598.75x = 56,900,146.95
  5. Step 5: Solve for x
    x = 56,900,146.95/10,598.75
  6. Step 6: Final answer
    x = 5,368.57

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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.