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Finding the Fourth Proportional to 17,146.51, 25,701.53 and 7,280.71

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Solution

The fourth proportional to 17,146.51, 25,701.53 and 7,280.71 is: 10,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146.51 : 25,701.53 = 7,280.71 : x
  2. Step 2: Convert to fraction form
    17,146.51/25,701.53 = 7,280.71/x
  3. Step 3: Cross multiply
    17,146.51x = 25,701.53 × 7,280.71
  4. Step 4: Simplify right side
    17,146.51x = 187,125,285.83
  5. Step 5: Solve for x
    x = 187,125,285.83/17,146.51
  6. Step 6: Final answer
    x = 10,913.32

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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.