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Finding the Fourth Proportional to 12,877,248.30, 18,054,689.70 and 12,877,248.30

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Solution

The fourth proportional to 12,877,248.30, 18,054,689.70 and 12,877,248.30 is: 18,054,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,248.30 : 18,054,689.70 = 12,877,248.30 : x
  2. Step 2: Convert to fraction form
    12,877,248.30/18,054,689.70 = 12,877,248.30/x
  3. Step 3: Cross multiply
    12,877,248.30x = 18,054,689.70 × 12,877,248.30
  4. Step 4: Simplify right side
    12,877,248.30x = 232,494,722,246,352.50
  5. Step 5: Solve for x
    x = 232,494,722,246,352.50/12,877,248.30
  6. Step 6: Final answer
    x = 18,054,689.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.