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Finding the Fourth Proportional to 4,381.68, 6,572.16 and 1,303.68

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Solution

The fourth proportional to 4,381.68, 6,572.16 and 1,303.68 is: 1,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.68 : 6,572.16 = 1,303.68 : x
  2. Step 2: Convert to fraction form
    4,381.68/6,572.16 = 1,303.68/x
  3. Step 3: Cross multiply
    4,381.68x = 6,572.16 × 1,303.68
  4. Step 4: Simplify right side
    4,381.68x = 8,567,993.55
  5. Step 5: Solve for x
    x = 8,567,993.55/4,381.68
  6. Step 6: Final answer
    x = 1,955.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.