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Finding the Fourth Proportional to 60,862.59, 91,297.94 and 18,740.07

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Solution

The fourth proportional to 60,862.59, 91,297.94 and 18,740.07 is: 28,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,862.59 : 91,297.94 = 18,740.07 : x
  2. Step 2: Convert to fraction form
    60,862.59/91,297.94 = 18,740.07/x
  3. Step 3: Cross multiply
    60,862.59x = 91,297.94 × 18,740.07
  4. Step 4: Simplify right side
    60,862.59x = 1,710,929,692.76
  5. Step 5: Solve for x
    x = 1,710,929,692.76/60,862.59
  6. Step 6: Final answer
    x = 28,111.35

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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.