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Finding the Fourth Proportional to 55,592.34, 76,729.01 and 51,108.99

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Solution

The fourth proportional to 55,592.34, 76,729.01 and 51,108.99 is: 70,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,592.34 : 76,729.01 = 51,108.99 : x
  2. Step 2: Convert to fraction form
    55,592.34/76,729.01 = 51,108.99/x
  3. Step 3: Cross multiply
    55,592.34x = 76,729.01 × 51,108.99
  4. Step 4: Simplify right side
    55,592.34x = 3,921,542,332.57
  5. Step 5: Solve for x
    x = 3,921,542,332.57/55,592.34
  6. Step 6: Final answer
    x = 70,541.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.