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Finding the Fourth Proportional to 18,182.79, 27,271.08 and 5,032.08

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Solution

The fourth proportional to 18,182.79, 27,271.08 and 5,032.08 is: 7,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.79 : 27,271.08 = 5,032.08 : x
  2. Step 2: Convert to fraction form
    18,182.79/27,271.08 = 5,032.08/x
  3. Step 3: Cross multiply
    18,182.79x = 27,271.08 × 5,032.08
  4. Step 4: Simplify right side
    18,182.79x = 137,230,256.25
  5. Step 5: Solve for x
    x = 137,230,256.25/18,182.79
  6. Step 6: Final answer
    x = 7,547.26

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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.