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Finding the Fourth Proportional to 1,063.93, 1,595.95 and 283.95

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Solution

The fourth proportional to 1,063.93, 1,595.95 and 283.95 is: 425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.93 : 1,595.95 = 283.95 : x
  2. Step 2: Convert to fraction form
    1,063.93/1,595.95 = 283.95/x
  3. Step 3: Cross multiply
    1,063.93x = 1,595.95 × 283.95
  4. Step 4: Simplify right side
    1,063.93x = 453,168.58
  5. Step 5: Solve for x
    x = 453,168.58/1,063.93
  6. Step 6: Final answer
    x = 425.94

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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.