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Finding the Fourth Proportional to 10,793.22, 14,908.78 and 7,430.24

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Solution

The fourth proportional to 10,793.22, 14,908.78 and 7,430.24 is: 10,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.22 : 14,908.78 = 7,430.24 : x
  2. Step 2: Convert to fraction form
    10,793.22/14,908.78 = 7,430.24/x
  3. Step 3: Cross multiply
    10,793.22x = 14,908.78 × 7,430.24
  4. Step 4: Simplify right side
    10,793.22x = 110,775,813.51
  5. Step 5: Solve for x
    x = 110,775,813.51/10,793.22
  6. Step 6: Final answer
    x = 10,263.46

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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.