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Finding the Fourth Proportional to 11,373.89, 17,038.08 and 8,897.04

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Solution

The fourth proportional to 11,373.89, 17,038.08 and 8,897.04 is: 13,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.89 : 17,038.08 = 8,897.04 : x
  2. Step 2: Convert to fraction form
    11,373.89/17,038.08 = 8,897.04/x
  3. Step 3: Cross multiply
    11,373.89x = 17,038.08 × 8,897.04
  4. Step 4: Simplify right side
    11,373.89x = 151,588,479.28
  5. Step 5: Solve for x
    x = 151,588,479.28/11,373.89
  6. Step 6: Final answer
    x = 13,327.77

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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.