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Finding the Fourth Proportional to 6,506,237.67, 8,978,631.35 and 3,605,677.89

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Solution

The fourth proportional to 6,506,237.67, 8,978,631.35 and 3,605,677.89 is: 4,975,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,237.67 : 8,978,631.35 = 3,605,677.89 : x
  2. Step 2: Convert to fraction form
    6,506,237.67/8,978,631.35 = 3,605,677.89/x
  3. Step 3: Cross multiply
    6,506,237.67x = 8,978,631.35 × 3,605,677.89
  4. Step 4: Simplify right side
    6,506,237.67x = 32,374,052,523,127.46
  5. Step 5: Solve for x
    x = 32,374,052,523,127.46/6,506,237.67
  6. Step 6: Final answer
    x = 4,975,848.43

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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.