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Finding the Fourth Proportional to 5,235.76, 7,852.42 and 1,950.40

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Solution

The fourth proportional to 5,235.76, 7,852.42 and 1,950.40 is: 2,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.76 : 7,852.42 = 1,950.40 : x
  2. Step 2: Convert to fraction form
    5,235.76/7,852.42 = 1,950.40/x
  3. Step 3: Cross multiply
    5,235.76x = 7,852.42 × 1,950.40
  4. Step 4: Simplify right side
    5,235.76x = 15,315,359.97
  5. Step 5: Solve for x
    x = 15,315,359.97/5,235.76
  6. Step 6: Final answer
    x = 2,925.15

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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.