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Finding the Fourth Proportional to 69,855.48, 96,420.92 and 45,659.96

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Solution

The fourth proportional to 69,855.48, 96,420.92 and 45,659.96 is: 63,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,855.48 : 96,420.92 = 45,659.96 : x
  2. Step 2: Convert to fraction form
    69,855.48/96,420.92 = 45,659.96/x
  3. Step 3: Cross multiply
    69,855.48x = 96,420.92 × 45,659.96
  4. Step 4: Simplify right side
    69,855.48x = 4,402,575,350.36
  5. Step 5: Solve for x
    x = 4,402,575,350.36/69,855.48
  6. Step 6: Final answer
    x = 63,024.05

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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.