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Finding the Fourth Proportional to 13,341.32, 18,410.55 and 8,035.10

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Solution

The fourth proportional to 13,341.32, 18,410.55 and 8,035.10 is: 11,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.32 : 18,410.55 = 8,035.10 : x
  2. Step 2: Convert to fraction form
    13,341.32/18,410.55 = 8,035.10/x
  3. Step 3: Cross multiply
    13,341.32x = 18,410.55 × 8,035.10
  4. Step 4: Simplify right side
    13,341.32x = 147,930,616.16
  5. Step 5: Solve for x
    x = 147,930,616.16/13,341.32
  6. Step 6: Final answer
    x = 11,088.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.