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Finding the Fourth Proportional to 17,895.51, 26,823.02 and 9,111.87

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Solution

The fourth proportional to 17,895.51, 26,823.02 and 9,111.87 is: 13,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.51 : 26,823.02 = 9,111.87 : x
  2. Step 2: Convert to fraction form
    17,895.51/26,823.02 = 9,111.87/x
  3. Step 3: Cross multiply
    17,895.51x = 26,823.02 × 9,111.87
  4. Step 4: Simplify right side
    17,895.51x = 244,407,825.69
  5. Step 5: Solve for x
    x = 244,407,825.69/17,895.51
  6. Step 6: Final answer
    x = 13,657.49

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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.