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Finding the Fourth Proportional to 6,533.30, 9,785.55 and 5,669.30

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Solution

The fourth proportional to 6,533.30, 9,785.55 and 5,669.30 is: 8,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,533.30 : 9,785.55 = 5,669.30 : x
  2. Step 2: Convert to fraction form
    6,533.30/9,785.55 = 5,669.30/x
  3. Step 3: Cross multiply
    6,533.30x = 9,785.55 × 5,669.30
  4. Step 4: Simplify right side
    6,533.30x = 55,477,218.62
  5. Step 5: Solve for x
    x = 55,477,218.62/6,533.30
  6. Step 6: Final answer
    x = 8,491.45

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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.