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Finding the Fourth Proportional to 10,762.56, 14,848.08 and 6,224.42

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Solution

The fourth proportional to 10,762.56, 14,848.08 and 6,224.42 is: 8,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.56 : 14,848.08 = 6,224.42 : x
  2. Step 2: Convert to fraction form
    10,762.56/14,848.08 = 6,224.42/x
  3. Step 3: Cross multiply
    10,762.56x = 14,848.08 × 6,224.42
  4. Step 4: Simplify right side
    10,762.56x = 92,420,686.11
  5. Step 5: Solve for x
    x = 92,420,686.11/10,762.56
  6. Step 6: Final answer
    x = 8,587.24

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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.