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Finding the Fourth Proportional to 10,482.75, 15,684.87 and 6,250.53

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Solution

The fourth proportional to 10,482.75, 15,684.87 and 6,250.53 is: 9,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.75 : 15,684.87 = 6,250.53 : x
  2. Step 2: Convert to fraction form
    10,482.75/15,684.87 = 6,250.53/x
  3. Step 3: Cross multiply
    10,482.75x = 15,684.87 × 6,250.53
  4. Step 4: Simplify right side
    10,482.75x = 98,038,750.48
  5. Step 5: Solve for x
    x = 98,038,750.48/10,482.75
  6. Step 6: Final answer
    x = 9,352.39

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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.