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Finding the Fourth Proportional to 55,348.65, 76,358.16 and 35,216.64

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Solution

The fourth proportional to 55,348.65, 76,358.16 and 35,216.64 is: 48,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.65 : 76,358.16 = 35,216.64 : x
  2. Step 2: Convert to fraction form
    55,348.65/76,358.16 = 35,216.64/x
  3. Step 3: Cross multiply
    55,348.65x = 76,358.16 × 35,216.64
  4. Step 4: Simplify right side
    55,348.65x = 2,689,077,831.78
  5. Step 5: Solve for x
    x = 2,689,077,831.78/55,348.65
  6. Step 6: Final answer
    x = 48,584.34

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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.