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Finding the Fourth Proportional to 25,410.58, 35,100.05 and 19,515.10

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Solution

The fourth proportional to 25,410.58, 35,100.05 and 19,515.10 is: 26,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.58 : 35,100.05 = 19,515.10 : x
  2. Step 2: Convert to fraction form
    25,410.58/35,100.05 = 19,515.10/x
  3. Step 3: Cross multiply
    25,410.58x = 35,100.05 × 19,515.10
  4. Step 4: Simplify right side
    25,410.58x = 684,980,800.43
  5. Step 5: Solve for x
    x = 684,980,800.43/25,410.58
  6. Step 6: Final answer
    x = 26,956.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.