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Finding the Fourth Proportional to 76,014.84, 104,900.64 and 42,480.84

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Solution

The fourth proportional to 76,014.84, 104,900.64 and 42,480.84 is: 58,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014.84 : 104,900.64 = 42,480.84 : x
  2. Step 2: Convert to fraction form
    76,014.84/104,900.64 = 42,480.84/x
  3. Step 3: Cross multiply
    76,014.84x = 104,900.64 × 42,480.84
  4. Step 4: Simplify right side
    76,014.84x = 4,456,267,303.74
  5. Step 5: Solve for x
    x = 4,456,267,303.74/76,014.84
  6. Step 6: Final answer
    x = 58,623.65

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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.