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Finding the Fourth Proportional to 8,908.46, 12,303.78 and 6,070.98

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Solution

The fourth proportional to 8,908.46, 12,303.78 and 6,070.98 is: 8,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.46 : 12,303.78 = 6,070.98 : x
  2. Step 2: Convert to fraction form
    8,908.46/12,303.78 = 6,070.98/x
  3. Step 3: Cross multiply
    8,908.46x = 12,303.78 × 6,070.98
  4. Step 4: Simplify right side
    8,908.46x = 74,695,990.62
  5. Step 5: Solve for x
    x = 74,695,990.62/8,908.46
  6. Step 6: Final answer
    x = 8,384.84

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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.