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Finding the Fourth Proportional to 70,454.64, 97,239.74 and 53,514.96

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Solution

The fourth proportional to 70,454.64, 97,239.74 and 53,514.96 is: 73,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454.64 : 97,239.74 = 53,514.96 : x
  2. Step 2: Convert to fraction form
    70,454.64/97,239.74 = 53,514.96/x
  3. Step 3: Cross multiply
    70,454.64x = 97,239.74 × 53,514.96
  4. Step 4: Simplify right side
    70,454.64x = 5,203,781,012.28
  5. Step 5: Solve for x
    x = 5,203,781,012.28/70,454.64
  6. Step 6: Final answer
    x = 73,860.01

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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.