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Finding the Fourth Proportional to 5,547,709.53, 7,655,867.54 and 3,100,361.55

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Solution

The fourth proportional to 5,547,709.53, 7,655,867.54 and 3,100,361.55 is: 4,278,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547,709.53 : 7,655,867.54 = 3,100,361.55 : x
  2. Step 2: Convert to fraction form
    5,547,709.53/7,655,867.54 = 3,100,361.55/x
  3. Step 3: Cross multiply
    5,547,709.53x = 7,655,867.54 × 3,100,361.55
  4. Step 4: Simplify right side
    5,547,709.53x = 23,735,957,337,407.28
  5. Step 5: Solve for x
    x = 23,735,957,337,407.28/5,547,709.53
  6. Step 6: Final answer
    x = 4,278,514.80

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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.