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Finding the Fourth Proportional to 8,505.50, 11,748.74 and 5,848.29

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Solution

The fourth proportional to 8,505.50, 11,748.74 and 5,848.29 is: 8,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.50 : 11,748.74 = 5,848.29 : x
  2. Step 2: Convert to fraction form
    8,505.50/11,748.74 = 5,848.29/x
  3. Step 3: Cross multiply
    8,505.50x = 11,748.74 × 5,848.29
  4. Step 4: Simplify right side
    8,505.50x = 68,710,038.65
  5. Step 5: Solve for x
    x = 68,710,038.65/8,505.50
  6. Step 6: Final answer
    x = 8,078.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.