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Finding the Fourth Proportional to 4,666.85, 7,000.28 and 4,310.45

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Solution

The fourth proportional to 4,666.85, 7,000.28 and 4,310.45 is: 6,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.85 : 7,000.28 = 4,310.45 : x
  2. Step 2: Convert to fraction form
    4,666.85/7,000.28 = 4,310.45/x
  3. Step 3: Cross multiply
    4,666.85x = 7,000.28 × 4,310.45
  4. Step 4: Simplify right side
    4,666.85x = 30,174,335.37
  5. Step 5: Solve for x
    x = 30,174,335.37/4,666.85
  6. Step 6: Final answer
    x = 6,465.68

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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.