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Finding the Fourth Proportional to 38,873.16, 53,645.04 and 22,106.16

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Solution

The fourth proportional to 38,873.16, 53,645.04 and 22,106.16 is: 30,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,873.16 : 53,645.04 = 22,106.16 : x
  2. Step 2: Convert to fraction form
    38,873.16/53,645.04 = 22,106.16/x
  3. Step 3: Cross multiply
    38,873.16x = 53,645.04 × 22,106.16
  4. Step 4: Simplify right side
    38,873.16x = 1,185,885,837.45
  5. Step 5: Solve for x
    x = 1,185,885,837.45/38,873.16
  6. Step 6: Final answer
    x = 30,506.55

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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.