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Finding the Fourth Proportional to 7,064,177.94, 9,749,909.25 and 4,008,676.50

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Solution

The fourth proportional to 7,064,177.94, 9,749,909.25 and 4,008,676.50 is: 5,532,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064,177.94 : 9,749,909.25 = 4,008,676.50 : x
  2. Step 2: Convert to fraction form
    7,064,177.94/9,749,909.25 = 4,008,676.50/x
  3. Step 3: Cross multiply
    7,064,177.94x = 9,749,909.25 × 4,008,676.50
  4. Step 4: Simplify right side
    7,064,177.94x = 39,084,232,087,607.62
  5. Step 5: Solve for x
    x = 39,084,232,087,607.62/7,064,177.94
  6. Step 6: Final answer
    x = 5,532,736.07

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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.