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Finding the Fourth Proportional to 58,309.42, 87,449.55 and 16,756.42

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Solution

The fourth proportional to 58,309.42, 87,449.55 and 16,756.42 is: 25,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,309.42 : 87,449.55 = 16,756.42 : x
  2. Step 2: Convert to fraction form
    58,309.42/87,449.55 = 16,756.42/x
  3. Step 3: Cross multiply
    58,309.42x = 87,449.55 × 16,756.42
  4. Step 4: Simplify right side
    58,309.42x = 1,465,341,388.61
  5. Step 5: Solve for x
    x = 1,465,341,388.61/58,309.42
  6. Step 6: Final answer
    x = 25,130.44

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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.