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Finding the Fourth Proportional to 7,656.31, 10,571.97 and 4,828.24

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Solution

The fourth proportional to 7,656.31, 10,571.97 and 4,828.24 is: 6,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.31 : 10,571.97 = 4,828.24 : x
  2. Step 2: Convert to fraction form
    7,656.31/10,571.97 = 4,828.24/x
  3. Step 3: Cross multiply
    7,656.31x = 10,571.97 × 4,828.24
  4. Step 4: Simplify right side
    7,656.31x = 51,044,008.43
  5. Step 5: Solve for x
    x = 51,044,008.43/7,656.31
  6. Step 6: Final answer
    x = 6,666.92

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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.