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Finding the Fourth Proportional to 5,605.13, 7,733.05 and 3,717.63

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Solution

The fourth proportional to 5,605.13, 7,733.05 and 3,717.63 is: 5,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.13 : 7,733.05 = 3,717.63 : x
  2. Step 2: Convert to fraction form
    5,605.13/7,733.05 = 3,717.63/x
  3. Step 3: Cross multiply
    5,605.13x = 7,733.05 × 3,717.63
  4. Step 4: Simplify right side
    5,605.13x = 28,748,618.67
  5. Step 5: Solve for x
    x = 28,748,618.67/5,605.13
  6. Step 6: Final answer
    x = 5,128.98

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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.