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Finding the Fourth Proportional to 7,006.66, 10,509.98 and 4,808.72

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Solution

The fourth proportional to 7,006.66, 10,509.98 and 4,808.72 is: 7,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.66 : 10,509.98 = 4,808.72 : x
  2. Step 2: Convert to fraction form
    7,006.66/10,509.98 = 4,808.72/x
  3. Step 3: Cross multiply
    7,006.66x = 10,509.98 × 4,808.72
  4. Step 4: Simplify right side
    7,006.66x = 50,539,551.03
  5. Step 5: Solve for x
    x = 50,539,551.03/7,006.66
  6. Step 6: Final answer
    x = 7,213.07

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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.