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Finding the Fourth Proportional to 7,607.79, 10,498.56 and 4,250.63

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Solution

The fourth proportional to 7,607.79, 10,498.56 and 4,250.63 is: 5,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.79 : 10,498.56 = 4,250.63 : x
  2. Step 2: Convert to fraction form
    7,607.79/10,498.56 = 4,250.63/x
  3. Step 3: Cross multiply
    7,607.79x = 10,498.56 × 4,250.63
  4. Step 4: Simplify right side
    7,607.79x = 44,625,455.81
  5. Step 5: Solve for x
    x = 44,625,455.81/7,607.79
  6. Step 6: Final answer
    x = 5,865.76

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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.