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Finding the Fourth Proportional to 56,703.86, 85,003.20 and 25,097.12

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Solution

The fourth proportional to 56,703.86, 85,003.20 and 25,097.12 is: 37,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,703.86 : 85,003.20 = 25,097.12 : x
  2. Step 2: Convert to fraction form
    56,703.86/85,003.20 = 25,097.12/x
  3. Step 3: Cross multiply
    56,703.86x = 85,003.20 × 25,097.12
  4. Step 4: Simplify right side
    56,703.86x = 2,133,335,510.78
  5. Step 5: Solve for x
    x = 2,133,335,510.78/56,703.86
  6. Step 6: Final answer
    x = 37,622.40

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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.