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Finding the Fourth Proportional to 4,692.48, 7,036.80 and 1,770.72

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Solution

The fourth proportional to 4,692.48, 7,036.80 and 1,770.72 is: 2,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.48 : 7,036.80 = 1,770.72 : x
  2. Step 2: Convert to fraction form
    4,692.48/7,036.80 = 1,770.72/x
  3. Step 3: Cross multiply
    4,692.48x = 7,036.80 × 1,770.72
  4. Step 4: Simplify right side
    4,692.48x = 12,460,202.50
  5. Step 5: Solve for x
    x = 12,460,202.50/4,692.48
  6. Step 6: Final answer
    x = 2,655.36

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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.