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Finding the Fourth Proportional to 7,483.64, 10,327.70 and 4,126.70

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Solution

The fourth proportional to 7,483.64, 10,327.70 and 4,126.70 is: 5,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.64 : 10,327.70 = 4,126.70 : x
  2. Step 2: Convert to fraction form
    7,483.64/10,327.70 = 4,126.70/x
  3. Step 3: Cross multiply
    7,483.64x = 10,327.70 × 4,126.70
  4. Step 4: Simplify right side
    7,483.64x = 42,619,297.63
  5. Step 5: Solve for x
    x = 42,619,297.63/7,483.64
  6. Step 6: Final answer
    x = 5,695.00

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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.