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Finding the Fourth Proportional to 25,480.40, 38,220.60 and 22,888.40

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Solution

The fourth proportional to 25,480.40, 38,220.60 and 22,888.40 is: 34,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.40 : 38,220.60 = 22,888.40 : x
  2. Step 2: Convert to fraction form
    25,480.40/38,220.60 = 22,888.40/x
  3. Step 3: Cross multiply
    25,480.40x = 38,220.60 × 22,888.40
  4. Step 4: Simplify right side
    25,480.40x = 874,808,381.04
  5. Step 5: Solve for x
    x = 874,808,381.04/25,480.40
  6. Step 6: Final answer
    x = 34,332.60

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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.