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Finding the Fourth Proportional to 53,627.88, 73,961.88 and 40,228.88

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Solution

The fourth proportional to 53,627.88, 73,961.88 and 40,228.88 is: 55,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,627.88 : 73,961.88 = 40,228.88 : x
  2. Step 2: Convert to fraction form
    53,627.88/73,961.88 = 40,228.88/x
  3. Step 3: Cross multiply
    53,627.88x = 73,961.88 × 40,228.88
  4. Step 4: Simplify right side
    53,627.88x = 2,975,403,595.09
  5. Step 5: Solve for x
    x = 2,975,403,595.09/53,627.88
  6. Step 6: Final answer
    x = 55,482.40

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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.