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Finding the Fourth Proportional to 56,700.80, 85,051.24 and 25,499.60

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Solution

The fourth proportional to 56,700.80, 85,051.24 and 25,499.60 is: 38,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,700.80 : 85,051.24 = 25,499.60 : x
  2. Step 2: Convert to fraction form
    56,700.80/85,051.24 = 25,499.60/x
  3. Step 3: Cross multiply
    56,700.80x = 85,051.24 × 25,499.60
  4. Step 4: Simplify right side
    56,700.80x = 2,168,772,599.50
  5. Step 5: Solve for x
    x = 2,168,772,599.50/56,700.80
  6. Step 6: Final answer
    x = 38,249.42

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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.