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Finding the Fourth Proportional to 8,783.34, 13,153.68 and 4,828.56

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Solution

The fourth proportional to 8,783.34, 13,153.68 and 4,828.56 is: 7,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.34 : 13,153.68 = 4,828.56 : x
  2. Step 2: Convert to fraction form
    8,783.34/13,153.68 = 4,828.56/x
  3. Step 3: Cross multiply
    8,783.34x = 13,153.68 × 4,828.56
  4. Step 4: Simplify right side
    8,783.34x = 63,513,333.10
  5. Step 5: Solve for x
    x = 63,513,333.10/8,783.34
  6. Step 6: Final answer
    x = 7,231.11

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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.