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Finding the Fourth Proportional to 29,970.06, 44,955.08 and 8,910.01

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Solution

The fourth proportional to 29,970.06, 44,955.08 and 8,910.01 is: 13,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.06 : 44,955.08 = 8,910.01 : x
  2. Step 2: Convert to fraction form
    29,970.06/44,955.08 = 8,910.01/x
  3. Step 3: Cross multiply
    29,970.06x = 44,955.08 × 8,910.01
  4. Step 4: Simplify right side
    29,970.06x = 400,550,105.91
  5. Step 5: Solve for x
    x = 400,550,105.91/29,970.06
  6. Step 6: Final answer
    x = 13,365.01

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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.