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Finding the Fourth Proportional to 8,373.78, 12,560.67 and 4,670.46

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Solution

The fourth proportional to 8,373.78, 12,560.67 and 4,670.46 is: 7,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.78 : 12,560.67 = 4,670.46 : x
  2. Step 2: Convert to fraction form
    8,373.78/12,560.67 = 4,670.46/x
  3. Step 3: Cross multiply
    8,373.78x = 12,560.67 × 4,670.46
  4. Step 4: Simplify right side
    8,373.78x = 58,664,106.81
  5. Step 5: Solve for x
    x = 58,664,106.81/8,373.78
  6. Step 6: Final answer
    x = 7,005.69

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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.