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Finding the Fourth Proportional to 15,336.56, 22,988.60 and 8,748.64

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Solution

The fourth proportional to 15,336.56, 22,988.60 and 8,748.64 is: 13,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.56 : 22,988.60 = 8,748.64 : x
  2. Step 2: Convert to fraction form
    15,336.56/22,988.60 = 8,748.64/x
  3. Step 3: Cross multiply
    15,336.56x = 22,988.60 × 8,748.64
  4. Step 4: Simplify right side
    15,336.56x = 201,118,985.50
  5. Step 5: Solve for x
    x = 201,118,985.50/15,336.56
  6. Step 6: Final answer
    x = 13,113.70

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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.