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Finding the Fourth Proportional to 38,287.31, 52,828.74 and 22,368.68

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Solution

The fourth proportional to 38,287.31, 52,828.74 and 22,368.68 is: 30,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287.31 : 52,828.74 = 22,368.68 : x
  2. Step 2: Convert to fraction form
    38,287.31/52,828.74 = 22,368.68/x
  3. Step 3: Cross multiply
    38,287.31x = 52,828.74 × 22,368.68
  4. Step 4: Simplify right side
    38,287.31x = 1,181,709,395.82
  5. Step 5: Solve for x
    x = 1,181,709,395.82/38,287.31
  6. Step 6: Final answer
    x = 30,864.26

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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.