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Finding the Fourth Proportional to 10,368,747.10, 15,571,783.05 and 7,532,062.30

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Solution

The fourth proportional to 10,368,747.10, 15,571,783.05 and 7,532,062.30 is: 11,311,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,747.10 : 15,571,783.05 = 7,532,062.30 : x
  2. Step 2: Convert to fraction form
    10,368,747.10/15,571,783.05 = 7,532,062.30/x
  3. Step 3: Cross multiply
    10,368,747.10x = 15,571,783.05 × 7,532,062.30
  4. Step 4: Simplify right side
    10,368,747.10x = 117,287,640,054,684.02
  5. Step 5: Solve for x
    x = 117,287,640,054,684.02/10,368,747.10
  6. Step 6: Final answer
    x = 11,311,650.19

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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.