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Finding the Fourth Proportional to 7,972,003.80, 11,958,005.70 and 4,602,274.20

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Solution

The fourth proportional to 7,972,003.80, 11,958,005.70 and 4,602,274.20 is: 6,903,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,003.80 : 11,958,005.70 = 4,602,274.20 : x
  2. Step 2: Convert to fraction form
    7,972,003.80/11,958,005.70 = 4,602,274.20/x
  3. Step 3: Cross multiply
    7,972,003.80x = 11,958,005.70 × 4,602,274.20
  4. Step 4: Simplify right side
    7,972,003.80x = 55,034,021,116,562.94
  5. Step 5: Solve for x
    x = 55,034,021,116,562.94/7,972,003.80
  6. Step 6: Final answer
    x = 6,903,411.30

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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.