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Finding the Fourth Proportional to 66,888.28, 100,347.54 and 33,624.28

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Solution

The fourth proportional to 66,888.28, 100,347.54 and 33,624.28 is: 50,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,888.28 : 100,347.54 = 33,624.28 : x
  2. Step 2: Convert to fraction form
    66,888.28/100,347.54 = 33,624.28/x
  3. Step 3: Cross multiply
    66,888.28x = 100,347.54 × 33,624.28
  4. Step 4: Simplify right side
    66,888.28x = 3,374,113,782.27
  5. Step 5: Solve for x
    x = 3,374,113,782.27/66,888.28
  6. Step 6: Final answer
    x = 50,444.02

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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.