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Finding the Fourth Proportional to 56,459.78, 84,700.65 and 17,014.94

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Solution

The fourth proportional to 56,459.78, 84,700.65 and 17,014.94 is: 25,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.78 : 84,700.65 = 17,014.94 : x
  2. Step 2: Convert to fraction form
    56,459.78/84,700.65 = 17,014.94/x
  3. Step 3: Cross multiply
    56,459.78x = 84,700.65 × 17,014.94
  4. Step 4: Simplify right side
    56,459.78x = 1,441,176,477.71
  5. Step 5: Solve for x
    x = 1,441,176,477.71/56,459.78
  6. Step 6: Final answer
    x = 25,525.72

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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.