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Finding the Fourth Proportional to 10,454.76, 14,421 and 6,202.81

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Solution

The fourth proportional to 10,454.76, 14,421 and 6,202.81 is: 8,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.76 : 14,421 = 6,202.81 : x
  2. Step 2: Convert to fraction form
    10,454.76/14,421 = 6,202.81/x
  3. Step 3: Cross multiply
    10,454.76x = 14,421 × 6,202.81
  4. Step 4: Simplify right side
    10,454.76x = 89,450,686.96
  5. Step 5: Solve for x
    x = 89,450,686.96/10,454.76
  6. Step 6: Final answer
    x = 8,555.98

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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.