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Finding the Fourth Proportional to 16,894.88, 25,340.16 and 7,032.32

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Solution

The fourth proportional to 16,894.88, 25,340.16 and 7,032.32 is: 10,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.88 : 25,340.16 = 7,032.32 : x
  2. Step 2: Convert to fraction form
    16,894.88/25,340.16 = 7,032.32/x
  3. Step 3: Cross multiply
    16,894.88x = 25,340.16 × 7,032.32
  4. Step 4: Simplify right side
    16,894.88x = 178,200,113.97
  5. Step 5: Solve for x
    x = 178,200,113.97/16,894.88
  6. Step 6: Final answer
    x = 10,547.58

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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.