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Finding the Fourth Proportional to 60,525.50, 90,802.83 and 18,972.50

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Solution

The fourth proportional to 60,525.50, 90,802.83 and 18,972.50 is: 28,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,525.50 : 90,802.83 = 18,972.50 : x
  2. Step 2: Convert to fraction form
    60,525.50/90,802.83 = 18,972.50/x
  3. Step 3: Cross multiply
    60,525.50x = 90,802.83 × 18,972.50
  4. Step 4: Simplify right side
    60,525.50x = 1,722,756,692.18
  5. Step 5: Solve for x
    x = 1,722,756,692.18/60,525.50
  6. Step 6: Final answer
    x = 28,463.32

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1.5x scale

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.