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Finding the Fourth Proportional to 1,497.95, 2,066.14 and 907.73

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Solution

The fourth proportional to 1,497.95, 2,066.14 and 907.73 is: 1,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.95 : 2,066.14 = 907.73 : x
  2. Step 2: Convert to fraction form
    1,497.95/2,066.14 = 907.73/x
  3. Step 3: Cross multiply
    1,497.95x = 2,066.14 × 907.73
  4. Step 4: Simplify right side
    1,497.95x = 1,875,497.26
  5. Step 5: Solve for x
    x = 1,875,497.26/1,497.95
  6. Step 6: Final answer
    x = 1,252.04

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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.