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Finding the Fourth Proportional to 61,783.78, 92,689.84 and 22,340.89

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Solution

The fourth proportional to 61,783.78, 92,689.84 and 22,340.89 is: 33,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,783.78 : 92,689.84 = 22,340.89 : x
  2. Step 2: Convert to fraction form
    61,783.78/92,689.84 = 22,340.89/x
  3. Step 3: Cross multiply
    61,783.78x = 92,689.84 × 22,340.89
  4. Step 4: Simplify right side
    61,783.78x = 2,070,773,465.49
  5. Step 5: Solve for x
    x = 2,070,773,465.49/61,783.78
  6. Step 6: Final answer
    x = 33,516.46

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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.