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Finding the Fourth Proportional to 21,357.32, 32,039.04 and 6,567.48

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Solution

The fourth proportional to 21,357.32, 32,039.04 and 6,567.48 is: 9,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.32 : 32,039.04 = 6,567.48 : x
  2. Step 2: Convert to fraction form
    21,357.32/32,039.04 = 6,567.48/x
  3. Step 3: Cross multiply
    21,357.32x = 32,039.04 × 6,567.48
  4. Step 4: Simplify right side
    21,357.32x = 210,415,742.11
  5. Step 5: Solve for x
    x = 210,415,742.11/21,357.32
  6. Step 6: Final answer
    x = 9,852.16

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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.