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Finding the Fourth Proportional to 13,062.88, 18,005.52 and 10,225.52

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Solution

The fourth proportional to 13,062.88, 18,005.52 and 10,225.52 is: 14,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.88 : 18,005.52 = 10,225.52 : x
  2. Step 2: Convert to fraction form
    13,062.88/18,005.52 = 10,225.52/x
  3. Step 3: Cross multiply
    13,062.88x = 18,005.52 × 10,225.52
  4. Step 4: Simplify right side
    13,062.88x = 184,115,804.87
  5. Step 5: Solve for x
    x = 184,115,804.87/13,062.88
  6. Step 6: Final answer
    x = 14,094.58

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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.