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Finding the Fourth Proportional to 5,661.45, 8,492.55 and 1,501.40

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Solution

The fourth proportional to 5,661.45, 8,492.55 and 1,501.40 is: 2,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.45 : 8,492.55 = 1,501.40 : x
  2. Step 2: Convert to fraction form
    5,661.45/8,492.55 = 1,501.40/x
  3. Step 3: Cross multiply
    5,661.45x = 8,492.55 × 1,501.40
  4. Step 4: Simplify right side
    5,661.45x = 12,750,714.57
  5. Step 5: Solve for x
    x = 12,750,714.57/5,661.45
  6. Step 6: Final answer
    x = 2,252.20

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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.