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Finding the Fourth Proportional to 13,004.64, 17,948.04 and 8,532.12

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Solution

The fourth proportional to 13,004.64, 17,948.04 and 8,532.12 is: 11,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.64 : 17,948.04 = 8,532.12 : x
  2. Step 2: Convert to fraction form
    13,004.64/17,948.04 = 8,532.12/x
  3. Step 3: Cross multiply
    13,004.64x = 17,948.04 × 8,532.12
  4. Step 4: Simplify right side
    13,004.64x = 153,134,831.04
  5. Step 5: Solve for x
    x = 153,134,831.04/13,004.64
  6. Step 6: Final answer
    x = 11,775.40

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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.