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Finding the Fourth Proportional to 63,692.20, 95,526.15 and 19,320.40

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Solution

The fourth proportional to 63,692.20, 95,526.15 and 19,320.40 is: 28,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,692.20 : 95,526.15 = 19,320.40 : x
  2. Step 2: Convert to fraction form
    63,692.20/95,526.15 = 19,320.40/x
  3. Step 3: Cross multiply
    63,692.20x = 95,526.15 × 19,320.40
  4. Step 4: Simplify right side
    63,692.20x = 1,845,603,428.46
  5. Step 5: Solve for x
    x = 1,845,603,428.46/63,692.20
  6. Step 6: Final answer
    x = 28,976.91

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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.