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Finding the Fourth Proportional to 70,069.08, 96,697.08 and 38,239.32

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Solution

The fourth proportional to 70,069.08, 96,697.08 and 38,239.32 is: 52,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,069.08 : 96,697.08 = 38,239.32 : x
  2. Step 2: Convert to fraction form
    70,069.08/96,697.08 = 38,239.32/x
  3. Step 3: Cross multiply
    70,069.08x = 96,697.08 × 38,239.32
  4. Step 4: Simplify right side
    70,069.08x = 3,697,630,585.19
  5. Step 5: Solve for x
    x = 3,697,630,585.19/70,069.08
  6. Step 6: Final answer
    x = 52,771.22

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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.