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Finding the Fourth Proportional to 34,878.96, 48,108.60 and 22,938.48

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Solution

The fourth proportional to 34,878.96, 48,108.60 and 22,938.48 is: 31,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.96 : 48,108.60 = 22,938.48 : x
  2. Step 2: Convert to fraction form
    34,878.96/48,108.60 = 22,938.48/x
  3. Step 3: Cross multiply
    34,878.96x = 48,108.60 × 22,938.48
  4. Step 4: Simplify right side
    34,878.96x = 1,103,538,158.93
  5. Step 5: Solve for x
    x = 1,103,538,158.93/34,878.96
  6. Step 6: Final answer
    x = 31,639.08

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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.