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Finding the Fourth Proportional to 58,639.84, 87,981.90 and 35,282.68

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Solution

The fourth proportional to 58,639.84, 87,981.90 and 35,282.68 is: 52,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,639.84 : 87,981.90 = 35,282.68 : x
  2. Step 2: Convert to fraction form
    58,639.84/87,981.90 = 35,282.68/x
  3. Step 3: Cross multiply
    58,639.84x = 87,981.90 × 35,282.68
  4. Step 4: Simplify right side
    58,639.84x = 3,104,237,223.49
  5. Step 5: Solve for x
    x = 3,104,237,223.49/58,639.84
  6. Step 6: Final answer
    x = 52,937.34

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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.