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Finding the Fourth Proportional to 7,923.02, 11,878.65 and 4,803.71

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Solution

The fourth proportional to 7,923.02, 11,878.65 and 4,803.71 is: 7,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.02 : 11,878.65 = 4,803.71 : x
  2. Step 2: Convert to fraction form
    7,923.02/11,878.65 = 4,803.71/x
  3. Step 3: Cross multiply
    7,923.02x = 11,878.65 × 4,803.71
  4. Step 4: Simplify right side
    7,923.02x = 57,061,530.40
  5. Step 5: Solve for x
    x = 57,061,530.40/7,923.02
  6. Step 6: Final answer
    x = 7,202.00

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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.