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Finding the Fourth Proportional to 4,320.50, 5,955 and 3,572.06

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Solution

The fourth proportional to 4,320.50, 5,955 and 3,572.06 is: 4,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.50 : 5,955 = 3,572.06 : x
  2. Step 2: Convert to fraction form
    4,320.50/5,955 = 3,572.06/x
  3. Step 3: Cross multiply
    4,320.50x = 5,955 × 3,572.06
  4. Step 4: Simplify right side
    4,320.50x = 21,271,617.30
  5. Step 5: Solve for x
    x = 21,271,617.30/4,320.50
  6. Step 6: Final answer
    x = 4,923.42

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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.