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Finding the Fourth Proportional to 44,012.90, 66,038.79 and 17,768.90

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Solution

The fourth proportional to 44,012.90, 66,038.79 and 17,768.90 is: 26,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,012.90 : 66,038.79 = 17,768.90 : x
  2. Step 2: Convert to fraction form
    44,012.90/66,038.79 = 17,768.90/x
  3. Step 3: Cross multiply
    44,012.90x = 66,038.79 × 17,768.90
  4. Step 4: Simplify right side
    44,012.90x = 1,173,436,655.63
  5. Step 5: Solve for x
    x = 1,173,436,655.63/44,012.90
  6. Step 6: Final answer
    x = 26,661.20

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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.