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Finding the Fourth Proportional to 17,133,335.16, 25,691,735.54 and 9,946,678.20

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Solution

The fourth proportional to 17,133,335.16, 25,691,735.54 and 9,946,678.20 is: 14,915,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133,335.16 : 25,691,735.54 = 9,946,678.20 : x
  2. Step 2: Convert to fraction form
    17,133,335.16/25,691,735.54 = 9,946,678.20/x
  3. Step 3: Cross multiply
    17,133,335.16x = 25,691,735.54 × 9,946,678.20
  4. Step 4: Simplify right side
    17,133,335.16x = 255,547,425,815,883.19
  5. Step 5: Solve for x
    x = 255,547,425,815,883.19/17,133,335.16
  6. Step 6: Final answer
    x = 14,915,217.82

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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.