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Finding the Fourth Proportional to 25,504,292.80, 38,256,439.20 and 25,504,292.80

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Solution

The fourth proportional to 25,504,292.80, 38,256,439.20 and 25,504,292.80 is: 38,256,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504,292.80 : 38,256,439.20 = 25,504,292.80 : x
  2. Step 2: Convert to fraction form
    25,504,292.80/38,256,439.20 = 25,504,292.80/x
  3. Step 3: Cross multiply
    25,504,292.80x = 38,256,439.20 × 25,504,292.80
  4. Step 4: Simplify right side
    25,504,292.80x = 975,703,426,842,197.88
  5. Step 5: Solve for x
    x = 975,703,426,842,197.88/25,504,292.80
  6. Step 6: Final answer
    x = 38,256,439.20

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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.