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Finding the Fourth Proportional to 73,081.53, 100,852.46 and 39,547.53

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Solution

The fourth proportional to 73,081.53, 100,852.46 and 39,547.53 is: 54,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081.53 : 100,852.46 = 39,547.53 : x
  2. Step 2: Convert to fraction form
    73,081.53/100,852.46 = 39,547.53/x
  3. Step 3: Cross multiply
    73,081.53x = 100,852.46 × 39,547.53
  4. Step 4: Simplify right side
    73,081.53x = 3,988,465,489.69
  5. Step 5: Solve for x
    x = 3,988,465,489.69/73,081.53
  6. Step 6: Final answer
    x = 54,575.56

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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.