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Finding the Fourth Proportional to 11,525.71, 15,900.63 and 7,048.03

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Solution

The fourth proportional to 11,525.71, 15,900.63 and 7,048.03 is: 9,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.71 : 15,900.63 = 7,048.03 : x
  2. Step 2: Convert to fraction form
    11,525.71/15,900.63 = 7,048.03/x
  3. Step 3: Cross multiply
    11,525.71x = 15,900.63 × 7,048.03
  4. Step 4: Simplify right side
    11,525.71x = 112,068,117.26
  5. Step 5: Solve for x
    x = 112,068,117.26/11,525.71
  6. Step 6: Final answer
    x = 9,723.32

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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.