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Finding the Fourth Proportional to 61,804.70, 92,710.10 and 32,280.20

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Solution

The fourth proportional to 61,804.70, 92,710.10 and 32,280.20 is: 48,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.70 : 92,710.10 = 32,280.20 : x
  2. Step 2: Convert to fraction form
    61,804.70/92,710.10 = 32,280.20/x
  3. Step 3: Cross multiply
    61,804.70x = 92,710.10 × 32,280.20
  4. Step 4: Simplify right side
    61,804.70x = 2,992,700,570.02
  5. Step 5: Solve for x
    x = 2,992,700,570.02/61,804.70
  6. Step 6: Final answer
    x = 48,421.89

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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.