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Finding the Fourth Proportional to 18,866.93, 26,062.93 and 17,870.46

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Solution

The fourth proportional to 18,866.93, 26,062.93 and 17,870.46 is: 24,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.93 : 26,062.93 = 17,870.46 : x
  2. Step 2: Convert to fraction form
    18,866.93/26,062.93 = 17,870.46/x
  3. Step 3: Cross multiply
    18,866.93x = 26,062.93 × 17,870.46
  4. Step 4: Simplify right side
    18,866.93x = 465,756,472.65
  5. Step 5: Solve for x
    x = 465,756,472.65/18,866.93
  6. Step 6: Final answer
    x = 24,686.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.