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Finding the Fourth Proportional to 13,051.04, 18,009.04 and 7,461.92

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Solution

The fourth proportional to 13,051.04, 18,009.04 and 7,461.92 is: 10,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.04 : 18,009.04 = 7,461.92 : x
  2. Step 2: Convert to fraction form
    13,051.04/18,009.04 = 7,461.92/x
  3. Step 3: Cross multiply
    13,051.04x = 18,009.04 × 7,461.92
  4. Step 4: Simplify right side
    13,051.04x = 134,382,015.76
  5. Step 5: Solve for x
    x = 134,382,015.76/13,051.04
  6. Step 6: Final answer
    x = 10,296.65

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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.