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Finding the Fourth Proportional to 15,963.99, 22,030.28 and 8,892.08

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Solution

The fourth proportional to 15,963.99, 22,030.28 and 8,892.08 is: 12,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.99 : 22,030.28 = 8,892.08 : x
  2. Step 2: Convert to fraction form
    15,963.99/22,030.28 = 8,892.08/x
  3. Step 3: Cross multiply
    15,963.99x = 22,030.28 × 8,892.08
  4. Step 4: Simplify right side
    15,963.99x = 195,894,967.72
  5. Step 5: Solve for x
    x = 195,894,967.72/15,963.99
  6. Step 6: Final answer
    x = 12,271.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.