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Finding the Fourth Proportional to 8,582,665.03, 11,841,099.62 and 5,487,000.45

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Solution

The fourth proportional to 8,582,665.03, 11,841,099.62 and 5,487,000.45 is: 7,570,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582,665.03 : 11,841,099.62 = 5,487,000.45 : x
  2. Step 2: Convert to fraction form
    8,582,665.03/11,841,099.62 = 5,487,000.45/x
  3. Step 3: Cross multiply
    8,582,665.03x = 11,841,099.62 × 5,487,000.45
  4. Step 4: Simplify right side
    8,582,665.03x = 64,972,118,871,595.70
  5. Step 5: Solve for x
    x = 64,972,118,871,595.70/8,582,665.03
  6. Step 6: Final answer
    x = 7,570,156.67

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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.