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Finding the Fourth Proportional to 61,764.02, 92,661.47 and 28,507.34

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Solution

The fourth proportional to 61,764.02, 92,661.47 and 28,507.34 is: 42,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,764.02 : 92,661.47 = 28,507.34 : x
  2. Step 2: Convert to fraction form
    61,764.02/92,661.47 = 28,507.34/x
  3. Step 3: Cross multiply
    61,764.02x = 92,661.47 × 28,507.34
  4. Step 4: Simplify right side
    61,764.02x = 2,641,532,226.21
  5. Step 5: Solve for x
    x = 2,641,532,226.21/61,764.02
  6. Step 6: Final answer
    x = 42,768.14

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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.