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Finding the Fourth Proportional to 52,973.52, 79,460.40 and 19,700.88

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Solution

The fourth proportional to 52,973.52, 79,460.40 and 19,700.88 is: 29,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,973.52 : 79,460.40 = 19,700.88 : x
  2. Step 2: Convert to fraction form
    52,973.52/79,460.40 = 19,700.88/x
  3. Step 3: Cross multiply
    52,973.52x = 79,460.40 × 19,700.88
  4. Step 4: Simplify right side
    52,973.52x = 1,565,439,805.15
  5. Step 5: Solve for x
    x = 1,565,439,805.15/52,973.52
  6. Step 6: Final answer
    x = 29,551.36

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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.