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Finding the Fourth Proportional to 66,696.16, 100,036.86 and 16,776.27

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Solution

The fourth proportional to 66,696.16, 100,036.86 and 16,776.27 is: 25,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,696.16 : 100,036.86 = 16,776.27 : x
  2. Step 2: Convert to fraction form
    66,696.16/100,036.86 = 16,776.27/x
  3. Step 3: Cross multiply
    66,696.16x = 100,036.86 × 16,776.27
  4. Step 4: Simplify right side
    66,696.16x = 1,678,245,373.31
  5. Step 5: Solve for x
    x = 1,678,245,373.31/66,696.16
  6. Step 6: Final answer
    x = 25,162.55

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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.