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Finding the Fourth Proportional to 8,499.77, 12,750.95 and 4,337.51

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Solution

The fourth proportional to 8,499.77, 12,750.95 and 4,337.51 is: 6,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.77 : 12,750.95 = 4,337.51 : x
  2. Step 2: Convert to fraction form
    8,499.77/12,750.95 = 4,337.51/x
  3. Step 3: Cross multiply
    8,499.77x = 12,750.95 × 4,337.51
  4. Step 4: Simplify right side
    8,499.77x = 55,307,287.69
  5. Step 5: Solve for x
    x = 55,307,287.69/8,499.77
  6. Step 6: Final answer
    x = 6,506.92

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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.