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Finding the Fourth Proportional to 1,841.84, 2,762.12 and 1,020.48

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Solution

The fourth proportional to 1,841.84, 2,762.12 and 1,020.48 is: 1,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.84 : 2,762.12 = 1,020.48 : x
  2. Step 2: Convert to fraction form
    1,841.84/2,762.12 = 1,020.48/x
  3. Step 3: Cross multiply
    1,841.84x = 2,762.12 × 1,020.48
  4. Step 4: Simplify right side
    1,841.84x = 2,818,688.22
  5. Step 5: Solve for x
    x = 2,818,688.22/1,841.84
  6. Step 6: Final answer
    x = 1,530.37

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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.