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Finding the Fourth Proportional to 5,875.75, 8,812.68 and 1,714.78

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Solution

The fourth proportional to 5,875.75, 8,812.68 and 1,714.78 is: 2,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.75 : 8,812.68 = 1,714.78 : x
  2. Step 2: Convert to fraction form
    5,875.75/8,812.68 = 1,714.78/x
  3. Step 3: Cross multiply
    5,875.75x = 8,812.68 × 1,714.78
  4. Step 4: Simplify right side
    5,875.75x = 15,111,807.41
  5. Step 5: Solve for x
    x = 15,111,807.41/5,875.75
  6. Step 6: Final answer
    x = 2,571.89

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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.