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Finding the Fourth Proportional to 1,841.40, 2,762.03 and 525.25

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Solution

The fourth proportional to 1,841.40, 2,762.03 and 525.25 is: 787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.40 : 2,762.03 = 525.25 : x
  2. Step 2: Convert to fraction form
    1,841.40/2,762.03 = 525.25/x
  3. Step 3: Cross multiply
    1,841.40x = 2,762.03 × 525.25
  4. Step 4: Simplify right side
    1,841.40x = 1,450,761.02
  5. Step 5: Solve for x
    x = 1,450,761.02/1,841.40
  6. Step 6: Final answer
    x = 787.86

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1.5x scale

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.