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Finding the Fourth Proportional to 11,869,702.70, 17,804,554.05 and 11,073,440.30

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Solution

The fourth proportional to 11,869,702.70, 17,804,554.05 and 11,073,440.30 is: 16,610,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,702.70 : 17,804,554.05 = 11,073,440.30 : x
  2. Step 2: Convert to fraction form
    11,869,702.70/17,804,554.05 = 11,073,440.30/x
  3. Step 3: Cross multiply
    11,869,702.70x = 17,804,554.05 × 11,073,440.30
  4. Step 4: Simplify right side
    11,869,702.70x = 197,157,666,340,798.25
  5. Step 5: Solve for x
    x = 197,157,666,340,798.25/11,869,702.70
  6. Step 6: Final answer
    x = 16,610,160.45

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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.