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Finding the Fourth Proportional to 70,714.58, 97,584.48 and 38,448.70

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Solution

The fourth proportional to 70,714.58, 97,584.48 and 38,448.70 is: 53,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,714.58 : 97,584.48 = 38,448.70 : x
  2. Step 2: Convert to fraction form
    70,714.58/97,584.48 = 38,448.70/x
  3. Step 3: Cross multiply
    70,714.58x = 97,584.48 × 38,448.70
  4. Step 4: Simplify right side
    70,714.58x = 3,751,996,152.21
  5. Step 5: Solve for x
    x = 3,751,996,152.21/70,714.58
  6. Step 6: Final answer
    x = 53,058.31

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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.