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Finding the Fourth Proportional to 1,071.94, 1,598.30 and 1,052.50

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Solution

The fourth proportional to 1,071.94, 1,598.30 and 1,052.50 is: 1,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071.94 : 1,598.30 = 1,052.50 : x
  2. Step 2: Convert to fraction form
    1,071.94/1,598.30 = 1,052.50/x
  3. Step 3: Cross multiply
    1,071.94x = 1,598.30 × 1,052.50
  4. Step 4: Simplify right side
    1,071.94x = 1,682,210.75
  5. Step 5: Solve for x
    x = 1,682,210.75/1,071.94
  6. Step 6: Final answer
    x = 1,569.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.