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Finding the Fourth Proportional to 34,580.88, 51,877.44 and 21,448.08

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Solution

The fourth proportional to 34,580.88, 51,877.44 and 21,448.08 is: 32,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,580.88 : 51,877.44 = 21,448.08 : x
  2. Step 2: Convert to fraction form
    34,580.88/51,877.44 = 21,448.08/x
  3. Step 3: Cross multiply
    34,580.88x = 51,877.44 × 21,448.08
  4. Step 4: Simplify right side
    34,580.88x = 1,112,671,483.32
  5. Step 5: Solve for x
    x = 1,112,671,483.32/34,580.88
  6. Step 6: Final answer
    x = 32,175.92

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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.