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Finding the Fourth Proportional to 6,615.98, 9,926.26 and 4,403.70

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Solution

The fourth proportional to 6,615.98, 9,926.26 and 4,403.70 is: 6,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.98 : 9,926.26 = 4,403.70 : x
  2. Step 2: Convert to fraction form
    6,615.98/9,926.26 = 4,403.70/x
  3. Step 3: Cross multiply
    6,615.98x = 9,926.26 × 4,403.70
  4. Step 4: Simplify right side
    6,615.98x = 43,712,271.16
  5. Step 5: Solve for x
    x = 43,712,271.16/6,615.98
  6. Step 6: Final answer
    x = 6,607.07

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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.