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Finding the Fourth Proportional to 17,752,075.74, 26,628,871.77 and 6,971,713.11

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Solution

The fourth proportional to 17,752,075.74, 26,628,871.77 and 6,971,713.11 is: 10,457,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,752,075.74 : 26,628,871.77 = 6,971,713.11 : x
  2. Step 2: Convert to fraction form
    17,752,075.74/26,628,871.77 = 6,971,713.11/x
  3. Step 3: Cross multiply
    17,752,075.74x = 26,628,871.77 × 6,971,713.11
  4. Step 4: Simplify right side
    17,752,075.74x = 185,648,854,423,417.91
  5. Step 5: Solve for x
    x = 185,648,854,423,417.91/17,752,075.74
  6. Step 6: Final answer
    x = 10,457,867.41

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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.