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Finding the Fourth Proportional to 58,075.98, 87,113.70 and 38,349.83

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Solution

The fourth proportional to 58,075.98, 87,113.70 and 38,349.83 is: 57,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,075.98 : 87,113.70 = 38,349.83 : x
  2. Step 2: Convert to fraction form
    58,075.98/87,113.70 = 38,349.83/x
  3. Step 3: Cross multiply
    58,075.98x = 87,113.70 × 38,349.83
  4. Step 4: Simplify right side
    58,075.98x = 3,340,795,150.10
  5. Step 5: Solve for x
    x = 3,340,795,150.10/58,075.98
  6. Step 6: Final answer
    x = 57,524.56

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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.