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Finding the Fourth Proportional to 15,758.88, 23,640.48 and 4,666.48

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Solution

The fourth proportional to 15,758.88, 23,640.48 and 4,666.48 is: 7,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.88 : 23,640.48 = 4,666.48 : x
  2. Step 2: Convert to fraction form
    15,758.88/23,640.48 = 4,666.48/x
  3. Step 3: Cross multiply
    15,758.88x = 23,640.48 × 4,666.48
  4. Step 4: Simplify right side
    15,758.88x = 110,317,827.11
  5. Step 5: Solve for x
    x = 110,317,827.11/15,758.88
  6. Step 6: Final answer
    x = 7,000.36

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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.