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Finding the Fourth Proportional to 44,303.40, 66,435.90 and 17,999.40

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Solution

The fourth proportional to 44,303.40, 66,435.90 and 17,999.40 is: 26,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,303.40 : 66,435.90 = 17,999.40 : x
  2. Step 2: Convert to fraction form
    44,303.40/66,435.90 = 17,999.40/x
  3. Step 3: Cross multiply
    44,303.40x = 66,435.90 × 17,999.40
  4. Step 4: Simplify right side
    44,303.40x = 1,195,806,338.46
  5. Step 5: Solve for x
    x = 1,195,806,338.46/44,303.40
  6. Step 6: Final answer
    x = 26,991.30

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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.