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Finding the Fourth Proportional to 5,327.48, 7,995.98 and 5,307.63

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Solution

The fourth proportional to 5,327.48, 7,995.98 and 5,307.63 is: 7,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.48 : 7,995.98 = 5,307.63 : x
  2. Step 2: Convert to fraction form
    5,327.48/7,995.98 = 5,307.63/x
  3. Step 3: Cross multiply
    5,327.48x = 7,995.98 × 5,307.63
  4. Step 4: Simplify right side
    5,327.48x = 42,439,676.79
  5. Step 5: Solve for x
    x = 42,439,676.79/5,327.48
  6. Step 6: Final answer
    x = 7,966.19

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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.