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Finding the Fourth Proportional to 1,937.63, 2,907.50 and 841.99

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Solution

The fourth proportional to 1,937.63, 2,907.50 and 841.99 is: 1,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.63 : 2,907.50 = 841.99 : x
  2. Step 2: Convert to fraction form
    1,937.63/2,907.50 = 841.99/x
  3. Step 3: Cross multiply
    1,937.63x = 2,907.50 × 841.99
  4. Step 4: Simplify right side
    1,937.63x = 2,448,085.93
  5. Step 5: Solve for x
    x = 2,448,085.93/1,937.63
  6. Step 6: Final answer
    x = 1,263.44

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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.