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Finding the Fourth Proportional to 70,070.90, 96,697.77 and 41,776.58

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Solution

The fourth proportional to 70,070.90, 96,697.77 and 41,776.58 is: 57,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,070.90 : 96,697.77 = 41,776.58 : x
  2. Step 2: Convert to fraction form
    70,070.90/96,697.77 = 41,776.58/x
  3. Step 3: Cross multiply
    70,070.90x = 96,697.77 × 41,776.58
  4. Step 4: Simplify right side
    70,070.90x = 4,039,701,640.74
  5. Step 5: Solve for x
    x = 4,039,701,640.74/70,070.90
  6. Step 6: Final answer
    x = 57,651.63

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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.