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Finding the Fourth Proportional to 6,535, 9,005.70 and 4,173.04

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Solution

The fourth proportional to 6,535, 9,005.70 and 4,173.04 is: 5,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535 : 9,005.70 = 4,173.04 : x
  2. Step 2: Convert to fraction form
    6,535/9,005.70 = 4,173.04/x
  3. Step 3: Cross multiply
    6,535x = 9,005.70 × 4,173.04
  4. Step 4: Simplify right side
    6,535x = 37,581,146.33
  5. Step 5: Solve for x
    x = 37,581,146.33/6,535
  6. Step 6: Final answer
    x = 5,750.75

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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.