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Finding the Fourth Proportional to 11,852.96, 17,779.28 and 4,831.32

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Solution

The fourth proportional to 11,852.96, 17,779.28 and 4,831.32 is: 7,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.96 : 17,779.28 = 4,831.32 : x
  2. Step 2: Convert to fraction form
    11,852.96/17,779.28 = 4,831.32/x
  3. Step 3: Cross multiply
    11,852.96x = 17,779.28 × 4,831.32
  4. Step 4: Simplify right side
    11,852.96x = 85,897,403.13
  5. Step 5: Solve for x
    x = 85,897,403.13/11,852.96
  6. Step 6: Final answer
    x = 7,246.92

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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.