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Finding the Fourth Proportional to 16,666.71, 22,999.11 and 9,113.00

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Solution

The fourth proportional to 16,666.71, 22,999.11 and 9,113.00 is: 12,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.71 : 22,999.11 = 9,113.00 : x
  2. Step 2: Convert to fraction form
    16,666.71/22,999.11 = 9,113.00/x
  3. Step 3: Cross multiply
    16,666.71x = 22,999.11 × 9,113.00
  4. Step 4: Simplify right side
    16,666.71x = 209,590,774.43
  5. Step 5: Solve for x
    x = 209,590,774.43/16,666.71
  6. Step 6: Final answer
    x = 12,575.41

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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.