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Finding the Fourth Proportional to 61,892.70, 85,411.86 and 33,598.40

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Solution

The fourth proportional to 61,892.70, 85,411.86 and 33,598.40 is: 46,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.70 : 85,411.86 = 33,598.40 : x
  2. Step 2: Convert to fraction form
    61,892.70/85,411.86 = 33,598.40/x
  3. Step 3: Cross multiply
    61,892.70x = 85,411.86 × 33,598.40
  4. Step 4: Simplify right side
    61,892.70x = 2,869,701,837.02
  5. Step 5: Solve for x
    x = 2,869,701,837.02/61,892.70
  6. Step 6: Final answer
    x = 46,365.76

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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.