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Finding the Fourth Proportional to 70,909.01, 97,853.23 and 39,077.22

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Solution

The fourth proportional to 70,909.01, 97,853.23 and 39,077.22 is: 53,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,909.01 : 97,853.23 = 39,077.22 : x
  2. Step 2: Convert to fraction form
    70,909.01/97,853.23 = 39,077.22/x
  3. Step 3: Cross multiply
    70,909.01x = 97,853.23 × 39,077.22
  4. Step 4: Simplify right side
    70,909.01x = 3,823,832,196.42
  5. Step 5: Solve for x
    x = 3,823,832,196.42/70,909.01
  6. Step 6: Final answer
    x = 53,925.90

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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.