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Finding the Fourth Proportional to 65,117.80, 97,599.90 and 48,682.60

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Solution

The fourth proportional to 65,117.80, 97,599.90 and 48,682.60 is: 72,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,117.80 : 97,599.90 = 48,682.60 : x
  2. Step 2: Convert to fraction form
    65,117.80/97,599.90 = 48,682.60/x
  3. Step 3: Cross multiply
    65,117.80x = 97,599.90 × 48,682.60
  4. Step 4: Simplify right side
    65,117.80x = 4,751,416,891.74
  5. Step 5: Solve for x
    x = 4,751,416,891.74/65,117.80
  6. Step 6: Final answer
    x = 72,966.48

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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.