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Finding the Fourth Proportional to 58,560.56, 87,692.88 and 38,779.28

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Solution

The fourth proportional to 58,560.56, 87,692.88 and 38,779.28 is: 58,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,560.56 : 87,692.88 = 38,779.28 : x
  2. Step 2: Convert to fraction form
    58,560.56/87,692.88 = 38,779.28/x
  3. Step 3: Cross multiply
    58,560.56x = 87,692.88 × 38,779.28
  4. Step 4: Simplify right side
    58,560.56x = 3,400,666,747.53
  5. Step 5: Solve for x
    x = 3,400,666,747.53/58,560.56
  6. Step 6: Final answer
    x = 58,070.94

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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.