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Finding the Fourth Proportional to 10,697,734.40, 16,058,411.40 and 6,658,782.80

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Solution

The fourth proportional to 10,697,734.40, 16,058,411.40 and 6,658,782.80 is: 9,995,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697,734.40 : 16,058,411.40 = 6,658,782.80 : x
  2. Step 2: Convert to fraction form
    10,697,734.40/16,058,411.40 = 6,658,782.80/x
  3. Step 3: Cross multiply
    10,697,734.40x = 16,058,411.40 × 6,658,782.80
  4. Step 4: Simplify right side
    10,697,734.40x = 106,929,473,625,643.92
  5. Step 5: Solve for x
    x = 106,929,473,625,643.92/10,697,734.40
  6. Step 6: Final answer
    x = 9,995,525.19

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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.