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Finding the Fourth Proportional to 13,245.64, 19,871.06 and 4,483.08

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Solution

The fourth proportional to 13,245.64, 19,871.06 and 4,483.08 is: 6,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.64 : 19,871.06 = 4,483.08 : x
  2. Step 2: Convert to fraction form
    13,245.64/19,871.06 = 4,483.08/x
  3. Step 3: Cross multiply
    13,245.64x = 19,871.06 × 4,483.08
  4. Step 4: Simplify right side
    13,245.64x = 89,083,551.66
  5. Step 5: Solve for x
    x = 89,083,551.66/13,245.64
  6. Step 6: Final answer
    x = 6,725.50

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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.