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Finding the Fourth Proportional to 7,015.05, 10,500.98 and 5,762.25

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Solution

The fourth proportional to 7,015.05, 10,500.98 and 5,762.25 is: 8,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.05 : 10,500.98 = 5,762.25 : x
  2. Step 2: Convert to fraction form
    7,015.05/10,500.98 = 5,762.25/x
  3. Step 3: Cross multiply
    7,015.05x = 10,500.98 × 5,762.25
  4. Step 4: Simplify right side
    7,015.05x = 60,509,243.19
  5. Step 5: Solve for x
    x = 60,509,243.19/7,015.05
  6. Step 6: Final answer
    x = 8,625.63

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1.5x scale

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.