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Finding the Fourth Proportional to 65,595.36, 98,421.84 and 34,423.32

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Solution

The fourth proportional to 65,595.36, 98,421.84 and 34,423.32 is: 51,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,595.36 : 98,421.84 = 34,423.32 : x
  2. Step 2: Convert to fraction form
    65,595.36/98,421.84 = 34,423.32/x
  3. Step 3: Cross multiply
    65,595.36x = 98,421.84 × 34,423.32
  4. Step 4: Simplify right side
    65,595.36x = 3,388,006,493.31
  5. Step 5: Solve for x
    x = 3,388,006,493.31/65,595.36
  6. Step 6: Final answer
    x = 51,650.09

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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.