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Finding the Fourth Proportional to 61,219.97, 84,484.81 and 34,364.42

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Solution

The fourth proportional to 61,219.97, 84,484.81 and 34,364.42 is: 47,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,219.97 : 84,484.81 = 34,364.42 : x
  2. Step 2: Convert to fraction form
    61,219.97/84,484.81 = 34,364.42/x
  3. Step 3: Cross multiply
    61,219.97x = 84,484.81 × 34,364.42
  4. Step 4: Simplify right side
    61,219.97x = 2,903,270,900.21
  5. Step 5: Solve for x
    x = 2,903,270,900.21/61,219.97
  6. Step 6: Final answer
    x = 47,423.60

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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.