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Finding the Fourth Proportional to 1,864.47, 2,796.71 and 565.95

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Solution

The fourth proportional to 1,864.47, 2,796.71 and 565.95 is: 848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.47 : 2,796.71 = 565.95 : x
  2. Step 2: Convert to fraction form
    1,864.47/2,796.71 = 565.95/x
  3. Step 3: Cross multiply
    1,864.47x = 2,796.71 × 565.95
  4. Step 4: Simplify right side
    1,864.47x = 1,582,798.02
  5. Step 5: Solve for x
    x = 1,582,798.02/1,864.47
  6. Step 6: Final answer
    x = 848.93

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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.