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Finding the Fourth Proportional to 8,501.58, 12,742.65 and 3,303

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Solution

The fourth proportional to 8,501.58, 12,742.65 and 3,303 is: 4,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.58 : 12,742.65 = 3,303 : x
  2. Step 2: Convert to fraction form
    8,501.58/12,742.65 = 3,303/x
  3. Step 3: Cross multiply
    8,501.58x = 12,742.65 × 3,303
  4. Step 4: Simplify right side
    8,501.58x = 42,088,972.95
  5. Step 5: Solve for x
    x = 42,088,972.95/8,501.58
  6. Step 6: Final answer
    x = 4,950.72

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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.