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Finding the Fourth Proportional to 56,407.77, 84,583.89 and 23,118.78

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Solution

The fourth proportional to 56,407.77, 84,583.89 and 23,118.78 is: 34,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,407.77 : 84,583.89 = 23,118.78 : x
  2. Step 2: Convert to fraction form
    56,407.77/84,583.89 = 23,118.78/x
  3. Step 3: Cross multiply
    56,407.77x = 84,583.89 × 23,118.78
  4. Step 4: Simplify right side
    56,407.77x = 1,955,476,344.45
  5. Step 5: Solve for x
    x = 1,955,476,344.45/56,407.77
  6. Step 6: Final answer
    x = 34,666.79

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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.