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Finding the Fourth Proportional to 56,765.84, 85,148.76 and 17,323.16

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Solution

The fourth proportional to 56,765.84, 85,148.76 and 17,323.16 is: 25,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.84 : 85,148.76 = 17,323.16 : x
  2. Step 2: Convert to fraction form
    56,765.84/85,148.76 = 17,323.16/x
  3. Step 3: Cross multiply
    56,765.84x = 85,148.76 × 17,323.16
  4. Step 4: Simplify right side
    56,765.84x = 1,475,045,593.28
  5. Step 5: Solve for x
    x = 1,475,045,593.28/56,765.84
  6. Step 6: Final answer
    x = 25,984.74

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Similar ratio
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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.