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Finding the Fourth Proportional to 70,347.06, 97,078.23 and 38,514.06

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Solution

The fourth proportional to 70,347.06, 97,078.23 and 38,514.06 is: 53,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,347.06 : 97,078.23 = 38,514.06 : x
  2. Step 2: Convert to fraction form
    70,347.06/97,078.23 = 38,514.06/x
  3. Step 3: Cross multiply
    70,347.06x = 97,078.23 × 38,514.06
  4. Step 4: Simplify right side
    70,347.06x = 3,738,876,774.91
  5. Step 5: Solve for x
    x = 3,738,876,774.91/70,347.06
  6. Step 6: Final answer
    x = 53,149.01

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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.