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Finding the Fourth Proportional to 65,208.68, 97,818.26 and 20,841.76

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Solution

The fourth proportional to 65,208.68, 97,818.26 and 20,841.76 is: 31,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,208.68 : 97,818.26 = 20,841.76 : x
  2. Step 2: Convert to fraction form
    65,208.68/97,818.26 = 20,841.76/x
  3. Step 3: Cross multiply
    65,208.68x = 97,818.26 × 20,841.76
  4. Step 4: Simplify right side
    65,208.68x = 2,038,704,698.54
  5. Step 5: Solve for x
    x = 2,038,704,698.54/65,208.68
  6. Step 6: Final answer
    x = 31,264.31

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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.