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Finding the Fourth Proportional to 22,169,631.80, 33,254,447.70 and 21,506,079.80

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Solution

The fourth proportional to 22,169,631.80, 33,254,447.70 and 21,506,079.80 is: 32,259,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169,631.80 : 33,254,447.70 = 21,506,079.80 : x
  2. Step 2: Convert to fraction form
    22,169,631.80/33,254,447.70 = 21,506,079.80/x
  3. Step 3: Cross multiply
    22,169,631.80x = 33,254,447.70 × 21,506,079.80
  4. Step 4: Simplify right side
    22,169,631.80x = 715,172,805,941,126.50
  5. Step 5: Solve for x
    x = 715,172,805,941,126.50/22,169,631.80
  6. Step 6: Final answer
    x = 32,259,119.70

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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.