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Finding the Fourth Proportional to 15,307.94, 22,962.03 and 4,215.24

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Solution

The fourth proportional to 15,307.94, 22,962.03 and 4,215.24 is: 6,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.94 : 22,962.03 = 4,215.24 : x
  2. Step 2: Convert to fraction form
    15,307.94/22,962.03 = 4,215.24/x
  3. Step 3: Cross multiply
    15,307.94x = 22,962.03 × 4,215.24
  4. Step 4: Simplify right side
    15,307.94x = 96,790,467.34
  5. Step 5: Solve for x
    x = 96,790,467.34/15,307.94
  6. Step 6: Final answer
    x = 6,322.89

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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.