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Finding the Fourth Proportional to 5,303.63, 7,319.03 and 2,945.94

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Solution

The fourth proportional to 5,303.63, 7,319.03 and 2,945.94 is: 4,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.63 : 7,319.03 = 2,945.94 : x
  2. Step 2: Convert to fraction form
    5,303.63/7,319.03 = 2,945.94/x
  3. Step 3: Cross multiply
    5,303.63x = 7,319.03 × 2,945.94
  4. Step 4: Simplify right side
    5,303.63x = 21,561,423.24
  5. Step 5: Solve for x
    x = 21,561,423.24/5,303.63
  6. Step 6: Final answer
    x = 4,065.41

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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.