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Finding the Fourth Proportional to 6,510.58, 8,984.15 and 3,678.07

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Solution

The fourth proportional to 6,510.58, 8,984.15 and 3,678.07 is: 5,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.58 : 8,984.15 = 3,678.07 : x
  2. Step 2: Convert to fraction form
    6,510.58/8,984.15 = 3,678.07/x
  3. Step 3: Cross multiply
    6,510.58x = 8,984.15 × 3,678.07
  4. Step 4: Simplify right side
    6,510.58x = 33,044,297.11
  5. Step 5: Solve for x
    x = 33,044,297.11/6,510.58
  6. Step 6: Final answer
    x = 5,075.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.