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Finding the Fourth Proportional to 26,388,768.30, 39,583,152.45 and 26,388,768.30

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Solution

The fourth proportional to 26,388,768.30, 39,583,152.45 and 26,388,768.30 is: 39,583,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388,768.30 : 39,583,152.45 = 26,388,768.30 : x
  2. Step 2: Convert to fraction form
    26,388,768.30/39,583,152.45 = 26,388,768.30/x
  3. Step 3: Cross multiply
    26,388,768.30x = 39,583,152.45 × 26,388,768.30
  4. Step 4: Simplify right side
    26,388,768.30x = 1,044,550,638,586,627.50
  5. Step 5: Solve for x
    x = 1,044,550,638,586,627.50/26,388,768.30
  6. Step 6: Final answer
    x = 39,583,152.45

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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.