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Finding the Fourth Proportional to 10,403.13, 14,355.71 and 5,926.26

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Solution

The fourth proportional to 10,403.13, 14,355.71 and 5,926.26 is: 8,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.13 : 14,355.71 = 5,926.26 : x
  2. Step 2: Convert to fraction form
    10,403.13/14,355.71 = 5,926.26/x
  3. Step 3: Cross multiply
    10,403.13x = 14,355.71 × 5,926.26
  4. Step 4: Simplify right side
    10,403.13x = 85,075,749.71
  5. Step 5: Solve for x
    x = 85,075,749.71/10,403.13
  6. Step 6: Final answer
    x = 8,177.90

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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.