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Finding the Fourth Proportional to 8,926.89, 13,410.86 and 6,300.45

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Solution

The fourth proportional to 8,926.89, 13,410.86 and 6,300.45 is: 9,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.89 : 13,410.86 = 6,300.45 : x
  2. Step 2: Convert to fraction form
    8,926.89/13,410.86 = 6,300.45/x
  3. Step 3: Cross multiply
    8,926.89x = 13,410.86 × 6,300.45
  4. Step 4: Simplify right side
    8,926.89x = 84,494,421.38
  5. Step 5: Solve for x
    x = 84,494,421.38/8,926.89
  6. Step 6: Final answer
    x = 9,465.16

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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.