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Finding the Fourth Proportional to 66,923.24, 100,404.06 and 25,374.44

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Solution

The fourth proportional to 66,923.24, 100,404.06 and 25,374.44 is: 38,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.24 : 100,404.06 = 25,374.44 : x
  2. Step 2: Convert to fraction form
    66,923.24/100,404.06 = 25,374.44/x
  3. Step 3: Cross multiply
    66,923.24x = 100,404.06 × 25,374.44
  4. Step 4: Simplify right side
    66,923.24x = 2,547,696,796.23
  5. Step 5: Solve for x
    x = 2,547,696,796.23/66,923.24
  6. Step 6: Final answer
    x = 38,068.94

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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.