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Finding the Fourth Proportional to 8,602,404.45, 12,903,640.53 and 3,484,931.07

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Solution

The fourth proportional to 8,602,404.45, 12,903,640.53 and 3,484,931.07 is: 5,227,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602,404.45 : 12,903,640.53 = 3,484,931.07 : x
  2. Step 2: Convert to fraction form
    8,602,404.45/12,903,640.53 = 3,484,931.07/x
  3. Step 3: Cross multiply
    8,602,404.45x = 12,903,640.53 × 3,484,931.07
  4. Step 4: Simplify right side
    8,602,404.45x = 44,968,297,799,108.27
  5. Step 5: Solve for x
    x = 44,968,297,799,108.27/8,602,404.45
  6. Step 6: Final answer
    x = 5,227,410.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.