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Finding the Fourth Proportional to 29,609,845.60, 44,414,768.40 and 21,000,501.40

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Solution

The fourth proportional to 29,609,845.60, 44,414,768.40 and 21,000,501.40 is: 31,500,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,609,845.60 : 44,414,768.40 = 21,000,501.40 : x
  2. Step 2: Convert to fraction form
    29,609,845.60/44,414,768.40 = 21,000,501.40/x
  3. Step 3: Cross multiply
    29,609,845.60x = 44,414,768.40 × 21,000,501.40
  4. Step 4: Simplify right side
    29,609,845.60x = 932,732,405,964,875.62
  5. Step 5: Solve for x
    x = 932,732,405,964,875.62/29,609,845.60
  6. Step 6: Final answer
    x = 31,500,752.10

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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.