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Finding the Fourth Proportional to 14,510.48, 20,024.48 and 7,886.48

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Solution

The fourth proportional to 14,510.48, 20,024.48 and 7,886.48 is: 10,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.48 : 20,024.48 = 7,886.48 : x
  2. Step 2: Convert to fraction form
    14,510.48/20,024.48 = 7,886.48/x
  3. Step 3: Cross multiply
    14,510.48x = 20,024.48 × 7,886.48
  4. Step 4: Simplify right side
    14,510.48x = 157,922,661.03
  5. Step 5: Solve for x
    x = 157,922,661.03/14,510.48
  6. Step 6: Final answer
    x = 10,883.35

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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.