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Finding the Fourth Proportional to 15,670.00, 23,482.90 and 8,653.17

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Solution

The fourth proportional to 15,670.00, 23,482.90 and 8,653.17 is: 12,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.00 : 23,482.90 = 8,653.17 : x
  2. Step 2: Convert to fraction form
    15,670.00/23,482.90 = 8,653.17/x
  3. Step 3: Cross multiply
    15,670.00x = 23,482.90 × 8,653.17
  4. Step 4: Simplify right side
    15,670.00x = 203,201,509.95
  5. Step 5: Solve for x
    x = 203,201,509.95/15,670.00
  6. Step 6: Final answer
    x = 12,967.55

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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.