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Finding the Fourth Proportional to 55,510.56, 76,601.76 and 34,291.68

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Solution

The fourth proportional to 55,510.56, 76,601.76 and 34,291.68 is: 47,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,510.56 : 76,601.76 = 34,291.68 : x
  2. Step 2: Convert to fraction form
    55,510.56/76,601.76 = 34,291.68/x
  3. Step 3: Cross multiply
    55,510.56x = 76,601.76 × 34,291.68
  4. Step 4: Simplify right side
    55,510.56x = 2,626,803,041.36
  5. Step 5: Solve for x
    x = 2,626,803,041.36/55,510.56
  6. Step 6: Final answer
    x = 47,320.78

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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.