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Finding the Fourth Proportional to 7,047.04, 9,724.32 and 4,395.04

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Solution

The fourth proportional to 7,047.04, 9,724.32 and 4,395.04 is: 6,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.04 : 9,724.32 = 4,395.04 : x
  2. Step 2: Convert to fraction form
    7,047.04/9,724.32 = 4,395.04/x
  3. Step 3: Cross multiply
    7,047.04x = 9,724.32 × 4,395.04
  4. Step 4: Simplify right side
    7,047.04x = 42,738,775.37
  5. Step 5: Solve for x
    x = 42,738,775.37/7,047.04
  6. Step 6: Final answer
    x = 6,064.78

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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.