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Finding the Fourth Proportional to 17,102,978.46, 23,602,120.47 and 9,368,150.22

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Solution

The fourth proportional to 17,102,978.46, 23,602,120.47 and 9,368,150.22 is: 12,928,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102,978.46 : 23,602,120.47 = 9,368,150.22 : x
  2. Step 2: Convert to fraction form
    17,102,978.46/23,602,120.47 = 9,368,150.22/x
  3. Step 3: Cross multiply
    17,102,978.46x = 23,602,120.47 × 9,368,150.22
  4. Step 4: Simplify right side
    17,102,978.46x = 221,108,210,073,497
  5. Step 5: Solve for x
    x = 221,108,210,073,497/17,102,978.46
  6. Step 6: Final answer
    x = 12,928,052.89

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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.