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Finding the Fourth Proportional to 35,636.40, 53,473.06 and 25,856.40

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Solution

The fourth proportional to 35,636.40, 53,473.06 and 25,856.40 is: 38,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.40 : 53,473.06 = 25,856.40 : x
  2. Step 2: Convert to fraction form
    35,636.40/53,473.06 = 25,856.40/x
  3. Step 3: Cross multiply
    35,636.40x = 53,473.06 × 25,856.40
  4. Step 4: Simplify right side
    35,636.40x = 1,382,620,828.58
  5. Step 5: Solve for x
    x = 1,382,620,828.58/35,636.40
  6. Step 6: Final answer
    x = 38,797.99

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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.