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Finding the Fourth Proportional to 6,762.57, 10,102.85 and 5,655.48

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Solution

The fourth proportional to 6,762.57, 10,102.85 and 5,655.48 is: 8,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.57 : 10,102.85 = 5,655.48 : x
  2. Step 2: Convert to fraction form
    6,762.57/10,102.85 = 5,655.48/x
  3. Step 3: Cross multiply
    6,762.57x = 10,102.85 × 5,655.48
  4. Step 4: Simplify right side
    6,762.57x = 57,136,437.84
  5. Step 5: Solve for x
    x = 57,136,437.84/6,762.57
  6. Step 6: Final answer
    x = 8,448.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.