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Finding the Fourth Proportional to 9,892.80, 14,829.44 and 4,633.28

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Solution

The fourth proportional to 9,892.80, 14,829.44 and 4,633.28 is: 6,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.80 : 14,829.44 = 4,633.28 : x
  2. Step 2: Convert to fraction form
    9,892.80/14,829.44 = 4,633.28/x
  3. Step 3: Cross multiply
    9,892.80x = 14,829.44 × 4,633.28
  4. Step 4: Simplify right side
    9,892.80x = 68,708,947.76
  5. Step 5: Solve for x
    x = 68,708,947.76/9,892.80
  6. Step 6: Final answer
    x = 6,945.35

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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.