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Finding the Fourth Proportional to 38,751.90, 53,483.46 and 23,653.33

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Solution

The fourth proportional to 38,751.90, 53,483.46 and 23,653.33 is: 32,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.90 : 53,483.46 = 23,653.33 : x
  2. Step 2: Convert to fraction form
    38,751.90/53,483.46 = 23,653.33/x
  3. Step 3: Cross multiply
    38,751.90x = 53,483.46 × 23,653.33
  4. Step 4: Simplify right side
    38,751.90x = 1,265,062,115.96
  5. Step 5: Solve for x
    x = 1,265,062,115.96/38,751.90
  6. Step 6: Final answer
    x = 32,645.16

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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.