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Finding the Fourth Proportional to 73,081.24, 100,852.50 and 39,547.24

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Solution

The fourth proportional to 73,081.24, 100,852.50 and 39,547.24 is: 54,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081.24 : 100,852.50 = 39,547.24 : x
  2. Step 2: Convert to fraction form
    73,081.24/100,852.50 = 39,547.24/x
  3. Step 3: Cross multiply
    73,081.24x = 100,852.50 × 39,547.24
  4. Step 4: Simplify right side
    73,081.24x = 3,988,438,022.10
  5. Step 5: Solve for x
    x = 3,988,438,022.10/73,081.24
  6. Step 6: Final answer
    x = 54,575.40

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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.