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Finding the Fourth Proportional to 66,632.26, 99,948.38 and 17,384.26

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Solution

The fourth proportional to 66,632.26, 99,948.38 and 17,384.26 is: 26,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.26 : 99,948.38 = 17,384.26 : x
  2. Step 2: Convert to fraction form
    66,632.26/99,948.38 = 17,384.26/x
  3. Step 3: Cross multiply
    66,632.26x = 99,948.38 × 17,384.26
  4. Step 4: Simplify right side
    66,632.26x = 1,737,528,624.50
  5. Step 5: Solve for x
    x = 1,737,528,624.50/66,632.26
  6. Step 6: Final answer
    x = 26,076.39

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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.