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Finding the Fourth Proportional to 11,275.02, 16,899.63 and 7,060.20

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Solution

The fourth proportional to 11,275.02, 16,899.63 and 7,060.20 is: 10,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.02 : 16,899.63 = 7,060.20 : x
  2. Step 2: Convert to fraction form
    11,275.02/16,899.63 = 7,060.20/x
  3. Step 3: Cross multiply
    11,275.02x = 16,899.63 × 7,060.20
  4. Step 4: Simplify right side
    11,275.02x = 119,314,767.73
  5. Step 5: Solve for x
    x = 119,314,767.73/11,275.02
  6. Step 6: Final answer
    x = 10,582.22

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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.