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Finding the Fourth Proportional to 38,657.94, 53,342.98 and 22,736.58

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Solution

The fourth proportional to 38,657.94, 53,342.98 and 22,736.58 is: 31,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.94 : 53,342.98 = 22,736.58 : x
  2. Step 2: Convert to fraction form
    38,657.94/53,342.98 = 22,736.58/x
  3. Step 3: Cross multiply
    38,657.94x = 53,342.98 × 22,736.58
  4. Step 4: Simplify right side
    38,657.94x = 1,212,836,875.37
  5. Step 5: Solve for x
    x = 1,212,836,875.37/38,657.94
  6. Step 6: Final answer
    x = 31,373.55

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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.