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Finding the Fourth Proportional to 38,661.52, 53,351.98 and 22,746.98

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Solution

The fourth proportional to 38,661.52, 53,351.98 and 22,746.98 is: 31,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.52 : 53,351.98 = 22,746.98 : x
  2. Step 2: Convert to fraction form
    38,661.52/53,351.98 = 22,746.98/x
  3. Step 3: Cross multiply
    38,661.52x = 53,351.98 × 22,746.98
  4. Step 4: Simplify right side
    38,661.52x = 1,213,596,422.02
  5. Step 5: Solve for x
    x = 1,213,596,422.02/38,661.52
  6. Step 6: Final answer
    x = 31,390.29

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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.