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Finding the Fourth Proportional to 6,017.84, 8,980.30 and 5,288.91

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Solution

The fourth proportional to 6,017.84, 8,980.30 and 5,288.91 is: 7,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,017.84 : 8,980.30 = 5,288.91 : x
  2. Step 2: Convert to fraction form
    6,017.84/8,980.30 = 5,288.91/x
  3. Step 3: Cross multiply
    6,017.84x = 8,980.30 × 5,288.91
  4. Step 4: Simplify right side
    6,017.84x = 47,495,985.25
  5. Step 5: Solve for x
    x = 47,495,985.25/6,017.84
  6. Step 6: Final answer
    x = 7,892.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.