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Finding the Fourth Proportional to 53,303.46, 79,955.46 and 22,138.71

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Solution

The fourth proportional to 53,303.46, 79,955.46 and 22,138.71 is: 33,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,303.46 : 79,955.46 = 22,138.71 : x
  2. Step 2: Convert to fraction form
    53,303.46/79,955.46 = 22,138.71/x
  3. Step 3: Cross multiply
    53,303.46x = 79,955.46 × 22,138.71
  4. Step 4: Simplify right side
    53,303.46x = 1,770,110,741.86
  5. Step 5: Solve for x
    x = 1,770,110,741.86/53,303.46
  6. Step 6: Final answer
    x = 33,208.18

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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.