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Finding the Fourth Proportional to 8,723.35, 12,037.98 and 4,744.63

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Solution

The fourth proportional to 8,723.35, 12,037.98 and 4,744.63 is: 6,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.35 : 12,037.98 = 4,744.63 : x
  2. Step 2: Convert to fraction form
    8,723.35/12,037.98 = 4,744.63/x
  3. Step 3: Cross multiply
    8,723.35x = 12,037.98 × 4,744.63
  4. Step 4: Simplify right side
    8,723.35x = 57,115,761.05
  5. Step 5: Solve for x
    x = 57,115,761.05/8,723.35
  6. Step 6: Final answer
    x = 6,547.46

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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.