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Finding the Fourth Proportional to 61,341.51, 92,031.71 and 21,897.75

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Solution

The fourth proportional to 61,341.51, 92,031.71 and 21,897.75 is: 32,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,341.51 : 92,031.71 = 21,897.75 : x
  2. Step 2: Convert to fraction form
    61,341.51/92,031.71 = 21,897.75/x
  3. Step 3: Cross multiply
    61,341.51x = 92,031.71 × 21,897.75
  4. Step 4: Simplify right side
    61,341.51x = 2,015,287,268.16
  5. Step 5: Solve for x
    x = 2,015,287,268.16/61,341.51
  6. Step 6: Final answer
    x = 32,853.56

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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.