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Finding the Fourth Proportional to 8,790.08, 13,167.04 and 4,341.12

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Solution

The fourth proportional to 8,790.08, 13,167.04 and 4,341.12 is: 6,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.08 : 13,167.04 = 4,341.12 : x
  2. Step 2: Convert to fraction form
    8,790.08/13,167.04 = 4,341.12/x
  3. Step 3: Cross multiply
    8,790.08x = 13,167.04 × 4,341.12
  4. Step 4: Simplify right side
    8,790.08x = 57,159,700.68
  5. Step 5: Solve for x
    x = 57,159,700.68/8,790.08
  6. Step 6: Final answer
    x = 6,502.75

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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.