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Finding the Fourth Proportional to 56,656.56, 84,985.02 and 15,103.56

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Solution

The fourth proportional to 56,656.56, 84,985.02 and 15,103.56 is: 22,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,656.56 : 84,985.02 = 15,103.56 : x
  2. Step 2: Convert to fraction form
    56,656.56/84,985.02 = 15,103.56/x
  3. Step 3: Cross multiply
    56,656.56x = 84,985.02 × 15,103.56
  4. Step 4: Simplify right side
    56,656.56x = 1,283,576,348.67
  5. Step 5: Solve for x
    x = 1,283,576,348.67/56,656.56
  6. Step 6: Final answer
    x = 22,655.39

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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.