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Finding the Fourth Proportional to 61,657.74, 85,086.18 and 34,801.38

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Solution

The fourth proportional to 61,657.74, 85,086.18 and 34,801.38 is: 48,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.74 : 85,086.18 = 34,801.38 : x
  2. Step 2: Convert to fraction form
    61,657.74/85,086.18 = 34,801.38/x
  3. Step 3: Cross multiply
    61,657.74x = 85,086.18 × 34,801.38
  4. Step 4: Simplify right side
    61,657.74x = 2,961,116,482.93
  5. Step 5: Solve for x
    x = 2,961,116,482.93/61,657.74
  6. Step 6: Final answer
    x = 48,025.06

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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.