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Finding the Fourth Proportional to 11,655.55, 17,483.34 and 8,897.88

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Solution

The fourth proportional to 11,655.55, 17,483.34 and 8,897.88 is: 13,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.55 : 17,483.34 = 8,897.88 : x
  2. Step 2: Convert to fraction form
    11,655.55/17,483.34 = 8,897.88/x
  3. Step 3: Cross multiply
    11,655.55x = 17,483.34 × 8,897.88
  4. Step 4: Simplify right side
    11,655.55x = 155,564,760.25
  5. Step 5: Solve for x
    x = 155,564,760.25/11,655.55
  6. Step 6: Final answer
    x = 13,346.84

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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.