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Finding the Fourth Proportional to 25,412.80, 38,032.80 and 22,302.40

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Solution

The fourth proportional to 25,412.80, 38,032.80 and 22,302.40 is: 33,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.80 : 38,032.80 = 22,302.40 : x
  2. Step 2: Convert to fraction form
    25,412.80/38,032.80 = 22,302.40/x
  3. Step 3: Cross multiply
    25,412.80x = 38,032.80 × 22,302.40
  4. Step 4: Simplify right side
    25,412.80x = 848,222,718.72
  5. Step 5: Solve for x
    x = 848,222,718.72/25,412.80
  6. Step 6: Final answer
    x = 33,377.77

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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.