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Finding the Fourth Proportional to 25,481,449.60, 35,774,806.40 and 25,481,449.60

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Solution

The fourth proportional to 25,481,449.60, 35,774,806.40 and 25,481,449.60 is: 35,774,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481,449.60 : 35,774,806.40 = 25,481,449.60 : x
  2. Step 2: Convert to fraction form
    25,481,449.60/35,774,806.40 = 25,481,449.60/x
  3. Step 3: Cross multiply
    25,481,449.60x = 35,774,806.40 × 25,481,449.60
  4. Step 4: Simplify right side
    25,481,449.60x = 911,593,926,231,357.50
  5. Step 5: Solve for x
    x = 911,593,926,231,357.50/25,481,449.60
  6. Step 6: Final answer
    x = 35,774,806.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.