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Finding the Fourth Proportional to 56,998.60, 85,497.66 and 17,545

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Solution

The fourth proportional to 56,998.60, 85,497.66 and 17,545 is: 26,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998.60 : 85,497.66 = 17,545 : x
  2. Step 2: Convert to fraction form
    56,998.60/85,497.66 = 17,545/x
  3. Step 3: Cross multiply
    56,998.60x = 85,497.66 × 17,545
  4. Step 4: Simplify right side
    56,998.60x = 1,500,056,444.70
  5. Step 5: Solve for x
    x = 1,500,056,444.70/56,998.60
  6. Step 6: Final answer
    x = 26,317.43

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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.