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Finding the Fourth Proportional to 29,110.51, 43,661.51 and 14,315.45

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Solution

The fourth proportional to 29,110.51, 43,661.51 and 14,315.45 is: 21,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.51 : 43,661.51 = 14,315.45 : x
  2. Step 2: Convert to fraction form
    29,110.51/43,661.51 = 14,315.45/x
  3. Step 3: Cross multiply
    29,110.51x = 43,661.51 × 14,315.45
  4. Step 4: Simplify right side
    29,110.51x = 625,034,091.75
  5. Step 5: Solve for x
    x = 625,034,091.75/29,110.51
  6. Step 6: Final answer
    x = 21,471.08

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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.