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Finding the Fourth Proportional to 76,889.08, 115,294.12 and 34,746.33

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Solution

The fourth proportional to 76,889.08, 115,294.12 and 34,746.33 is: 52,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,889.08 : 115,294.12 = 34,746.33 : x
  2. Step 2: Convert to fraction form
    76,889.08/115,294.12 = 34,746.33/x
  3. Step 3: Cross multiply
    76,889.08x = 115,294.12 × 34,746.33
  4. Step 4: Simplify right side
    76,889.08x = 4,006,047,540.58
  5. Step 5: Solve for x
    x = 4,006,047,540.58/76,889.08
  6. Step 6: Final answer
    x = 52,101.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.