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Finding the Fourth Proportional to 8,970.44, 13,437.11 and 5,261.49

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Solution

The fourth proportional to 8,970.44, 13,437.11 and 5,261.49 is: 7,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.44 : 13,437.11 = 5,261.49 : x
  2. Step 2: Convert to fraction form
    8,970.44/13,437.11 = 5,261.49/x
  3. Step 3: Cross multiply
    8,970.44x = 13,437.11 × 5,261.49
  4. Step 4: Simplify right side
    8,970.44x = 70,699,193.59
  5. Step 5: Solve for x
    x = 70,699,193.59/8,970.44
  6. Step 6: Final answer
    x = 7,881.36

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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.