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Finding the Fourth Proportional to 61,871.58, 92,813.85 and 30,698.46

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Solution

The fourth proportional to 61,871.58, 92,813.85 and 30,698.46 is: 46,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,871.58 : 92,813.85 = 30,698.46 : x
  2. Step 2: Convert to fraction form
    61,871.58/92,813.85 = 30,698.46/x
  3. Step 3: Cross multiply
    61,871.58x = 92,813.85 × 30,698.46
  4. Step 4: Simplify right side
    61,871.58x = 2,849,242,261.67
  5. Step 5: Solve for x
    x = 2,849,242,261.67/61,871.58
  6. Step 6: Final answer
    x = 46,050.91

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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.