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Finding the Fourth Proportional to 61,505.70, 84,885.93 and 34,653.39

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Solution

The fourth proportional to 61,505.70, 84,885.93 and 34,653.39 is: 47,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,505.70 : 84,885.93 = 34,653.39 : x
  2. Step 2: Convert to fraction form
    61,505.70/84,885.93 = 34,653.39/x
  3. Step 3: Cross multiply
    61,505.70x = 84,885.93 × 34,653.39
  4. Step 4: Simplify right side
    61,505.70x = 2,941,585,237.80
  5. Step 5: Solve for x
    x = 2,941,585,237.80/61,505.70
  6. Step 6: Final answer
    x = 47,826.22

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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.