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Finding the Fourth Proportional to 12,483.16, 18,707.37 and 9,697.12

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Solution

The fourth proportional to 12,483.16, 18,707.37 and 9,697.12 is: 14,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.16 : 18,707.37 = 9,697.12 : x
  2. Step 2: Convert to fraction form
    12,483.16/18,707.37 = 9,697.12/x
  3. Step 3: Cross multiply
    12,483.16x = 18,707.37 × 9,697.12
  4. Step 4: Simplify right side
    12,483.16x = 181,407,611.77
  5. Step 5: Solve for x
    x = 181,407,611.77/12,483.16
  6. Step 6: Final answer
    x = 14,532.19

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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.