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Finding the Fourth Proportional to 61,812.30, 92,815.65 and 35,568.30

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Solution

The fourth proportional to 61,812.30, 92,815.65 and 35,568.30 is: 53,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.30 : 92,815.65 = 35,568.30 : x
  2. Step 2: Convert to fraction form
    61,812.30/92,815.65 = 35,568.30/x
  3. Step 3: Cross multiply
    61,812.30x = 92,815.65 × 35,568.30
  4. Step 4: Simplify right side
    61,812.30x = 3,301,294,883.90
  5. Step 5: Solve for x
    x = 3,301,294,883.90/61,812.30
  6. Step 6: Final answer
    x = 53,408.38

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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.