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Finding the Fourth Proportional to 1,415.95, 2,124.74 and 594.16

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Solution

The fourth proportional to 1,415.95, 2,124.74 and 594.16 is: 891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.95 : 2,124.74 = 594.16 : x
  2. Step 2: Convert to fraction form
    1,415.95/2,124.74 = 594.16/x
  3. Step 3: Cross multiply
    1,415.95x = 2,124.74 × 594.16
  4. Step 4: Simplify right side
    1,415.95x = 1,262,431.69
  5. Step 5: Solve for x
    x = 1,262,431.69/1,415.95
  6. Step 6: Final answer
    x = 891.58

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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.