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Finding the Fourth Proportional to 22,547.60, 33,772.80 and 14,674.40

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Solution

The fourth proportional to 22,547.60, 33,772.80 and 14,674.40 is: 21,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,547.60 : 33,772.80 = 14,674.40 : x
  2. Step 2: Convert to fraction form
    22,547.60/33,772.80 = 14,674.40/x
  3. Step 3: Cross multiply
    22,547.60x = 33,772.80 × 14,674.40
  4. Step 4: Simplify right side
    22,547.60x = 495,595,576.32
  5. Step 5: Solve for x
    x = 495,595,576.32/22,547.60
  6. Step 6: Final answer
    x = 21,979.97

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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.