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Finding the Fourth Proportional to 15,151.51, 22,736.99 and 7,356.07

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Solution

The fourth proportional to 15,151.51, 22,736.99 and 7,356.07 is: 11,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.51 : 22,736.99 = 7,356.07 : x
  2. Step 2: Convert to fraction form
    15,151.51/22,736.99 = 7,356.07/x
  3. Step 3: Cross multiply
    15,151.51x = 22,736.99 × 7,356.07
  4. Step 4: Simplify right side
    15,151.51x = 167,254,890.03
  5. Step 5: Solve for x
    x = 167,254,890.03/15,151.51
  6. Step 6: Final answer
    x = 11,038.83

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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.