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Finding the Fourth Proportional to 12,594,671.60, 18,864,013.80 and 12,594,671.60

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Solution

The fourth proportional to 12,594,671.60, 18,864,013.80 and 12,594,671.60 is: 18,864,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594,671.60 : 18,864,013.80 = 12,594,671.60 : x
  2. Step 2: Convert to fraction form
    12,594,671.60/18,864,013.80 = 12,594,671.60/x
  3. Step 3: Cross multiply
    12,594,671.60x = 18,864,013.80 × 12,594,671.60
  4. Step 4: Simplify right side
    12,594,671.60x = 237,586,058,868,868.09
  5. Step 5: Solve for x
    x = 237,586,058,868,868.09/12,594,671.60
  6. Step 6: Final answer
    x = 18,864,013.80

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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.