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Finding the Fourth Proportional to 34,671,889.60, 52,007,834.40 and 9,115,482.40

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Solution

The fourth proportional to 34,671,889.60, 52,007,834.40 and 9,115,482.40 is: 13,673,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,671,889.60 : 52,007,834.40 = 9,115,482.40 : x
  2. Step 2: Convert to fraction form
    34,671,889.60/52,007,834.40 = 9,115,482.40/x
  3. Step 3: Cross multiply
    34,671,889.60x = 52,007,834.40 × 9,115,482.40
  4. Step 4: Simplify right side
    34,671,889.60x = 474,076,499,135,314.56
  5. Step 5: Solve for x
    x = 474,076,499,135,314.56/34,671,889.60
  6. Step 6: Final answer
    x = 13,673,223.60

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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.