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Finding the Fourth Proportional to 57,477.90, 86,216.84 and 15,924.90

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Solution

The fourth proportional to 57,477.90, 86,216.84 and 15,924.90 is: 23,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,477.90 : 86,216.84 = 15,924.90 : x
  2. Step 2: Convert to fraction form
    57,477.90/86,216.84 = 15,924.90/x
  3. Step 3: Cross multiply
    57,477.90x = 86,216.84 × 15,924.90
  4. Step 4: Simplify right side
    57,477.90x = 1,372,994,475.69
  5. Step 5: Solve for x
    x = 1,372,994,475.69/57,477.90
  6. Step 6: Final answer
    x = 23,887.35

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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.