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Finding the Fourth Proportional to 6,477,213.52, 8,939,342.76 and 3,760,959.52

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Solution

The fourth proportional to 6,477,213.52, 8,939,342.76 and 3,760,959.52 is: 5,190,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,213.52 : 8,939,342.76 = 3,760,959.52 : x
  2. Step 2: Convert to fraction form
    6,477,213.52/8,939,342.76 = 3,760,959.52/x
  3. Step 3: Cross multiply
    6,477,213.52x = 8,939,342.76 × 3,760,959.52
  4. Step 4: Simplify right side
    6,477,213.52x = 33,620,506,255,765.07
  5. Step 5: Solve for x
    x = 33,620,506,255,765.07/6,477,213.52
  6. Step 6: Final answer
    x = 5,190,581.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.