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Finding the Fourth Proportional to 18,312.94, 27,445.11 and 6,614.92

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Solution

The fourth proportional to 18,312.94, 27,445.11 and 6,614.92 is: 9,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.94 : 27,445.11 = 6,614.92 : x
  2. Step 2: Convert to fraction form
    18,312.94/27,445.11 = 6,614.92/x
  3. Step 3: Cross multiply
    18,312.94x = 27,445.11 × 6,614.92
  4. Step 4: Simplify right side
    18,312.94x = 181,547,207.04
  5. Step 5: Solve for x
    x = 181,547,207.04/18,312.94
  6. Step 6: Final answer
    x = 9,913.60

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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.