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Finding the Fourth Proportional to 57,041.64, 85,574.66 and 17,063.76

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Solution

The fourth proportional to 57,041.64, 85,574.66 and 17,063.76 is: 25,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,041.64 : 85,574.66 = 17,063.76 : x
  2. Step 2: Convert to fraction form
    57,041.64/85,574.66 = 17,063.76/x
  3. Step 3: Cross multiply
    57,041.64x = 85,574.66 × 17,063.76
  4. Step 4: Simplify right side
    57,041.64x = 1,460,225,460.32
  5. Step 5: Solve for x
    x = 1,460,225,460.32/57,041.64
  6. Step 6: Final answer
    x = 25,599.29

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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.