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Finding the Fourth Proportional to 27,323.54, 40,985.34 and 7,602.10

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Solution

The fourth proportional to 27,323.54, 40,985.34 and 7,602.10 is: 11,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.54 : 40,985.34 = 7,602.10 : x
  2. Step 2: Convert to fraction form
    27,323.54/40,985.34 = 7,602.10/x
  3. Step 3: Cross multiply
    27,323.54x = 40,985.34 × 7,602.10
  4. Step 4: Simplify right side
    27,323.54x = 311,574,653.21
  5. Step 5: Solve for x
    x = 311,574,653.21/27,323.54
  6. Step 6: Final answer
    x = 11,403.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.