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Finding the Fourth Proportional to 55,303.78, 76,294.95 and 37,392.22

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Solution

The fourth proportional to 55,303.78, 76,294.95 and 37,392.22 is: 51,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.78 : 76,294.95 = 37,392.22 : x
  2. Step 2: Convert to fraction form
    55,303.78/76,294.95 = 37,392.22/x
  3. Step 3: Cross multiply
    55,303.78x = 76,294.95 × 37,392.22
  4. Step 4: Simplify right side
    55,303.78x = 2,852,837,555.29
  5. Step 5: Solve for x
    x = 2,852,837,555.29/55,303.78
  6. Step 6: Final answer
    x = 51,584.86

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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.