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Finding the Fourth Proportional to 57,924.64, 79,938.64 and 45,327.52

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Solution

The fourth proportional to 57,924.64, 79,938.64 and 45,327.52 is: 62,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,924.64 : 79,938.64 = 45,327.52 : x
  2. Step 2: Convert to fraction form
    57,924.64/79,938.64 = 45,327.52/x
  3. Step 3: Cross multiply
    57,924.64x = 79,938.64 × 45,327.52
  4. Step 4: Simplify right side
    57,924.64x = 3,623,420,303.37
  5. Step 5: Solve for x
    x = 3,623,420,303.37/57,924.64
  6. Step 6: Final answer
    x = 62,554.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.