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Finding the Fourth Proportional to 7,425.09, 10,237.19 and 5,303.16

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Solution

The fourth proportional to 7,425.09, 10,237.19 and 5,303.16 is: 7,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.09 : 10,237.19 = 5,303.16 : x
  2. Step 2: Convert to fraction form
    7,425.09/10,237.19 = 5,303.16/x
  3. Step 3: Cross multiply
    7,425.09x = 10,237.19 × 5,303.16
  4. Step 4: Simplify right side
    7,425.09x = 54,289,430.00
  5. Step 5: Solve for x
    x = 54,289,430.00/7,425.09
  6. Step 6: Final answer
    x = 7,311.62

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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.