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Finding the Fourth Proportional to 56,375.49, 77,795.44 and 30,882.01

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Solution

The fourth proportional to 56,375.49, 77,795.44 and 30,882.01 is: 42,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,375.49 : 77,795.44 = 30,882.01 : x
  2. Step 2: Convert to fraction form
    56,375.49/77,795.44 = 30,882.01/x
  3. Step 3: Cross multiply
    56,375.49x = 77,795.44 × 30,882.01
  4. Step 4: Simplify right side
    56,375.49x = 2,402,479,430.21
  5. Step 5: Solve for x
    x = 2,402,479,430.21/56,375.49
  6. Step 6: Final answer
    x = 42,615.67

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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.