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Finding the Fourth Proportional to 8,777.03, 12,113.12 and 4,798.73

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Solution

The fourth proportional to 8,777.03, 12,113.12 and 4,798.73 is: 6,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.03 : 12,113.12 = 4,798.73 : x
  2. Step 2: Convert to fraction form
    8,777.03/12,113.12 = 4,798.73/x
  3. Step 3: Cross multiply
    8,777.03x = 12,113.12 × 4,798.73
  4. Step 4: Simplify right side
    8,777.03x = 58,127,543.77
  5. Step 5: Solve for x
    x = 58,127,543.77/8,777.03
  6. Step 6: Final answer
    x = 6,622.69

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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.