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Finding the Fourth Proportional to 61,544.64, 84,931.52 and 34,693.68

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Solution

The fourth proportional to 61,544.64, 84,931.52 and 34,693.68 is: 47,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,544.64 : 84,931.52 = 34,693.68 : x
  2. Step 2: Convert to fraction form
    61,544.64/84,931.52 = 34,693.68/x
  3. Step 3: Cross multiply
    61,544.64x = 84,931.52 × 34,693.68
  4. Step 4: Simplify right side
    61,544.64x = 2,946,586,976.79
  5. Step 5: Solve for x
    x = 2,946,586,976.79/61,544.64
  6. Step 6: Final answer
    x = 47,877.23

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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.