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Finding the Fourth Proportional to 25,393.92, 35,027.28 and 15,946.08

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Solution

The fourth proportional to 25,393.92, 35,027.28 and 15,946.08 is: 21,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.92 : 35,027.28 = 15,946.08 : x
  2. Step 2: Convert to fraction form
    25,393.92/35,027.28 = 15,946.08/x
  3. Step 3: Cross multiply
    25,393.92x = 35,027.28 × 15,946.08
  4. Step 4: Simplify right side
    25,393.92x = 558,547,809.06
  5. Step 5: Solve for x
    x = 558,547,809.06/25,393.92
  6. Step 6: Final answer
    x = 21,995.34

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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.