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Finding the Fourth Proportional to 58,635.84, 87,975.90 and 35,278.68

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Solution

The fourth proportional to 58,635.84, 87,975.90 and 35,278.68 is: 52,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,635.84 : 87,975.90 = 35,278.68 : x
  2. Step 2: Convert to fraction form
    58,635.84/87,975.90 = 35,278.68/x
  3. Step 3: Cross multiply
    58,635.84x = 87,975.90 × 35,278.68
  4. Step 4: Simplify right side
    58,635.84x = 3,103,673,623.81
  5. Step 5: Solve for x
    x = 3,103,673,623.81/58,635.84
  6. Step 6: Final answer
    x = 52,931.34

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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.