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Finding the Fourth Proportional to 58,412.55, 87,696.48 and 39,500.73

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Solution

The fourth proportional to 58,412.55, 87,696.48 and 39,500.73 is: 59,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,412.55 : 87,696.48 = 39,500.73 : x
  2. Step 2: Convert to fraction form
    58,412.55/87,696.48 = 39,500.73/x
  3. Step 3: Cross multiply
    58,412.55x = 87,696.48 × 39,500.73
  4. Step 4: Simplify right side
    58,412.55x = 3,464,075,126.56
  5. Step 5: Solve for x
    x = 3,464,075,126.56/58,412.55
  6. Step 6: Final answer
    x = 59,303.61

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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.