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Finding the Fourth Proportional to 5,670.89, 8,506.82 and 1,510.90

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Solution

The fourth proportional to 5,670.89, 8,506.82 and 1,510.90 is: 2,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.89 : 8,506.82 = 1,510.90 : x
  2. Step 2: Convert to fraction form
    5,670.89/8,506.82 = 1,510.90/x
  3. Step 3: Cross multiply
    5,670.89x = 8,506.82 × 1,510.90
  4. Step 4: Simplify right side
    5,670.89x = 12,852,954.34
  5. Step 5: Solve for x
    x = 12,852,954.34/5,670.89
  6. Step 6: Final answer
    x = 2,266.48

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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.