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Finding the Fourth Proportional to 10,974,440.80, 16,461,661.20 and 2,996,264.80

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Solution

The fourth proportional to 10,974,440.80, 16,461,661.20 and 2,996,264.80 is: 4,494,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974,440.80 : 16,461,661.20 = 2,996,264.80 : x
  2. Step 2: Convert to fraction form
    10,974,440.80/16,461,661.20 = 2,996,264.80/x
  3. Step 3: Cross multiply
    10,974,440.80x = 16,461,661.20 × 2,996,264.80
  4. Step 4: Simplify right side
    10,974,440.80x = 49,323,496,003,085.76
  5. Step 5: Solve for x
    x = 49,323,496,003,085.76/10,974,440.80
  6. Step 6: Final answer
    x = 4,494,397.20

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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.