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Finding the Fourth Proportional to 7,400.00, 10,214.13 and 4,711.31

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Solution

The fourth proportional to 7,400.00, 10,214.13 and 4,711.31 is: 6,502.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.00 : 10,214.13 = 4,711.31 : x
  2. Step 2: Convert to fraction form
    7,400.00/10,214.13 = 4,711.31/x
  3. Step 3: Cross multiply
    7,400.00x = 10,214.13 × 4,711.31
  4. Step 4: Simplify right side
    7,400.00x = 48,121,881.74
  5. Step 5: Solve for x
    x = 48,121,881.74/7,400.00
  6. Step 6: Final answer
    x = 6,502.96

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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.