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Finding the Fourth Proportional to 6,923.61, 9,560.03 and 5,574.94

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Solution

The fourth proportional to 6,923.61, 9,560.03 and 5,574.94 is: 7,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.61 : 9,560.03 = 5,574.94 : x
  2. Step 2: Convert to fraction form
    6,923.61/9,560.03 = 5,574.94/x
  3. Step 3: Cross multiply
    6,923.61x = 9,560.03 × 5,574.94
  4. Step 4: Simplify right side
    6,923.61x = 53,296,541.87
  5. Step 5: Solve for x
    x = 53,296,541.87/6,923.61
  6. Step 6: Final answer
    x = 7,697.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.