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Finding the Fourth Proportional to 35,692.62, 53,539.83 and 12,000.54

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Solution

The fourth proportional to 35,692.62, 53,539.83 and 12,000.54 is: 18,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,692.62 : 53,539.83 = 12,000.54 : x
  2. Step 2: Convert to fraction form
    35,692.62/53,539.83 = 12,000.54/x
  3. Step 3: Cross multiply
    35,692.62x = 53,539.83 × 12,000.54
  4. Step 4: Simplify right side
    35,692.62x = 642,506,871.51
  5. Step 5: Solve for x
    x = 642,506,871.51/35,692.62
  6. Step 6: Final answer
    x = 18,001.11

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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.