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Finding the Fourth Proportional to 61,506.28, 92,256.54 and 19,953.64

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Solution

The fourth proportional to 61,506.28, 92,256.54 and 19,953.64 is: 29,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,506.28 : 92,256.54 = 19,953.64 : x
  2. Step 2: Convert to fraction form
    61,506.28/92,256.54 = 19,953.64/x
  3. Step 3: Cross multiply
    61,506.28x = 92,256.54 × 19,953.64
  4. Step 4: Simplify right side
    61,506.28x = 1,840,853,786.81
  5. Step 5: Solve for x
    x = 1,840,853,786.81/61,506.28
  6. Step 6: Final answer
    x = 29,929.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.