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Finding the Fourth Proportional to 37,390.48, 51,597.96 and 20,623.12

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Solution

The fourth proportional to 37,390.48, 51,597.96 and 20,623.12 is: 28,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.48 : 51,597.96 = 20,623.12 : x
  2. Step 2: Convert to fraction form
    37,390.48/51,597.96 = 20,623.12/x
  3. Step 3: Cross multiply
    37,390.48x = 51,597.96 × 20,623.12
  4. Step 4: Simplify right side
    37,390.48x = 1,064,110,920.84
  5. Step 5: Solve for x
    x = 1,064,110,920.84/37,390.48
  6. Step 6: Final answer
    x = 28,459.41

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Double scale
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Similar ratio
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1.5x scale

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.