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Finding the Fourth Proportional to 7,011.95, 9,676.16 and 4,025.68

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Solution

The fourth proportional to 7,011.95, 9,676.16 and 4,025.68 is: 5,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.95 : 9,676.16 = 4,025.68 : x
  2. Step 2: Convert to fraction form
    7,011.95/9,676.16 = 4,025.68/x
  3. Step 3: Cross multiply
    7,011.95x = 9,676.16 × 4,025.68
  4. Step 4: Simplify right side
    7,011.95x = 38,953,094.57
  5. Step 5: Solve for x
    x = 38,953,094.57/7,011.95
  6. Step 6: Final answer
    x = 5,555.25

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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.