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Finding the Fourth Proportional to 22,678,590.60, 34,009,040.70 and 9,890,375.40

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Solution

The fourth proportional to 22,678,590.60, 34,009,040.70 and 9,890,375.40 is: 14,831,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678,590.60 : 34,009,040.70 = 9,890,375.40 : x
  2. Step 2: Convert to fraction form
    22,678,590.60/34,009,040.70 = 9,890,375.40/x
  3. Step 3: Cross multiply
    22,678,590.60x = 34,009,040.70 × 9,890,375.40
  4. Step 4: Simplify right side
    22,678,590.60x = 336,362,179,516,878.81
  5. Step 5: Solve for x
    x = 336,362,179,516,878.81/22,678,590.60
  6. Step 6: Final answer
    x = 14,831,705.61

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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.