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Finding the Fourth Proportional to 7,005.98, 10,510.92 and 2,075.51

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Solution

The fourth proportional to 7,005.98, 10,510.92 and 2,075.51 is: 3,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.98 : 10,510.92 = 2,075.51 : x
  2. Step 2: Convert to fraction form
    7,005.98/10,510.92 = 2,075.51/x
  3. Step 3: Cross multiply
    7,005.98x = 10,510.92 × 2,075.51
  4. Step 4: Simplify right side
    7,005.98x = 21,815,467.01
  5. Step 5: Solve for x
    x = 21,815,467.01/7,005.98
  6. Step 6: Final answer
    x = 3,113.84

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1.5x scale

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.