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Finding the Fourth Proportional to 31,701.01, 47,484.08 and 25,749.94

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Solution

The fourth proportional to 31,701.01, 47,484.08 and 25,749.94 is: 38,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.01 : 47,484.08 = 25,749.94 : x
  2. Step 2: Convert to fraction form
    31,701.01/47,484.08 = 25,749.94/x
  3. Step 3: Cross multiply
    31,701.01x = 47,484.08 × 25,749.94
  4. Step 4: Simplify right side
    31,701.01x = 1,222,712,210.96
  5. Step 5: Solve for x
    x = 1,222,712,210.96/31,701.01
  6. Step 6: Final answer
    x = 38,570.13

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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.