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Finding the Fourth Proportional to 58,428.84, 80,462.25 and 50,768.67

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Solution

The fourth proportional to 58,428.84, 80,462.25 and 50,768.67 is: 69,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,428.84 : 80,462.25 = 50,768.67 : x
  2. Step 2: Convert to fraction form
    58,428.84/80,462.25 = 50,768.67/x
  3. Step 3: Cross multiply
    58,428.84x = 80,462.25 × 50,768.67
  4. Step 4: Simplify right side
    58,428.84x = 4,084,961,417.71
  5. Step 5: Solve for x
    x = 4,084,961,417.71/58,428.84
  6. Step 6: Final answer
    x = 69,913.44

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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.