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Finding the Fourth Proportional to 40,504.32, 60,762.96 and 17,130.96

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Solution

The fourth proportional to 40,504.32, 60,762.96 and 17,130.96 is: 25,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504.32 : 60,762.96 = 17,130.96 : x
  2. Step 2: Convert to fraction form
    40,504.32/60,762.96 = 17,130.96/x
  3. Step 3: Cross multiply
    40,504.32x = 60,762.96 × 17,130.96
  4. Step 4: Simplify right side
    40,504.32x = 1,040,927,837.24
  5. Step 5: Solve for x
    x = 1,040,927,837.24/40,504.32
  6. Step 6: Final answer
    x = 25,699.18

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1.5x scale

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.