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Finding the Fourth Proportional to 6,886,805.22, 9,503,870.54 and 3,946,564.08

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Solution

The fourth proportional to 6,886,805.22, 9,503,870.54 and 3,946,564.08 is: 5,446,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886,805.22 : 9,503,870.54 = 3,946,564.08 : x
  2. Step 2: Convert to fraction form
    6,886,805.22/9,503,870.54 = 3,946,564.08/x
  3. Step 3: Cross multiply
    6,886,805.22x = 9,503,870.54 × 3,946,564.08
  4. Step 4: Simplify right side
    6,886,805.22x = 37,507,634,074,401.38
  5. Step 5: Solve for x
    x = 37,507,634,074,401.38/6,886,805.22
  6. Step 6: Final answer
    x = 5,446,303.89

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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.