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Finding the Fourth Proportional to 14,569.28, 21,852.64 and 7,548.96

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Solution

The fourth proportional to 14,569.28, 21,852.64 and 7,548.96 is: 11,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.28 : 21,852.64 = 7,548.96 : x
  2. Step 2: Convert to fraction form
    14,569.28/21,852.64 = 7,548.96/x
  3. Step 3: Cross multiply
    14,569.28x = 21,852.64 × 7,548.96
  4. Step 4: Simplify right side
    14,569.28x = 164,964,705.25
  5. Step 5: Solve for x
    x = 164,964,705.25/14,569.28
  6. Step 6: Final answer
    x = 11,322.78

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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.