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Finding the Fourth Proportional to 8,980.77, 13,484.88 and 4,828.88

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Solution

The fourth proportional to 8,980.77, 13,484.88 and 4,828.88 is: 7,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.77 : 13,484.88 = 4,828.88 : x
  2. Step 2: Convert to fraction form
    8,980.77/13,484.88 = 4,828.88/x
  3. Step 3: Cross multiply
    8,980.77x = 13,484.88 × 4,828.88
  4. Step 4: Simplify right side
    8,980.77x = 65,116,901.05
  5. Step 5: Solve for x
    x = 65,116,901.05/8,980.77
  6. Step 6: Final answer
    x = 7,250.70

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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.