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Finding the Fourth Proportional to 4,666.61, 7,004.98 and 4,149.93

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Solution

The fourth proportional to 4,666.61, 7,004.98 and 4,149.93 is: 6,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.61 : 7,004.98 = 4,149.93 : x
  2. Step 2: Convert to fraction form
    4,666.61/7,004.98 = 4,149.93/x
  3. Step 3: Cross multiply
    4,666.61x = 7,004.98 × 4,149.93
  4. Step 4: Simplify right side
    4,666.61x = 29,070,208.11
  5. Step 5: Solve for x
    x = 29,070,208.11/4,666.61
  6. Step 6: Final answer
    x = 6,229.40

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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.