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Finding the Fourth Proportional to 5,852.16, 8,778.90 and 1,955.76

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Solution

The fourth proportional to 5,852.16, 8,778.90 and 1,955.76 is: 2,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,852.16 : 8,778.90 = 1,955.76 : x
  2. Step 2: Convert to fraction form
    5,852.16/8,778.90 = 1,955.76/x
  3. Step 3: Cross multiply
    5,852.16x = 8,778.90 × 1,955.76
  4. Step 4: Simplify right side
    5,852.16x = 17,169,421.46
  5. Step 5: Solve for x
    x = 17,169,421.46/5,852.16
  6. Step 6: Final answer
    x = 2,933.86

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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.