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Finding the Fourth Proportional to 19,478.00, 26,879.65 and 10,525.48

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Solution

The fourth proportional to 19,478.00, 26,879.65 and 10,525.48 is: 14,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.00 : 26,879.65 = 10,525.48 : x
  2. Step 2: Convert to fraction form
    19,478.00/26,879.65 = 10,525.48/x
  3. Step 3: Cross multiply
    19,478.00x = 26,879.65 × 10,525.48
  4. Step 4: Simplify right side
    19,478.00x = 282,921,124.97
  5. Step 5: Solve for x
    x = 282,921,124.97/19,478.00
  6. Step 6: Final answer
    x = 14,525.16

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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.