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Finding the Fourth Proportional to 6,502,907.88, 8,973,895.37 and 3,602,289.78

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Solution

The fourth proportional to 6,502,907.88, 8,973,895.37 and 3,602,289.78 is: 4,971,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502,907.88 : 8,973,895.37 = 3,602,289.78 : x
  2. Step 2: Convert to fraction form
    6,502,907.88/8,973,895.37 = 3,602,289.78/x
  3. Step 3: Cross multiply
    6,502,907.88x = 8,973,895.37 × 3,602,289.78
  4. Step 4: Simplify right side
    6,502,907.88x = 32,326,571,560,128.87
  5. Step 5: Solve for x
    x = 32,326,571,560,128.87/6,502,907.88
  6. Step 6: Final answer
    x = 4,971,094.80

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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.