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Finding the Fourth Proportional to 25,804.65, 35,602.01 and 15,047.10

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Solution

The fourth proportional to 25,804.65, 35,602.01 and 15,047.10 is: 20,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,804.65 : 35,602.01 = 15,047.10 : x
  2. Step 2: Convert to fraction form
    25,804.65/35,602.01 = 15,047.10/x
  3. Step 3: Cross multiply
    25,804.65x = 35,602.01 × 15,047.10
  4. Step 4: Simplify right side
    25,804.65x = 535,707,004.67
  5. Step 5: Solve for x
    x = 535,707,004.67/25,804.65
  6. Step 6: Final answer
    x = 20,760.10

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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.