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Finding the Fourth Proportional to 88,953.84, 133,440.04 and 28,986.98

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Solution

The fourth proportional to 88,953.84, 133,440.04 and 28,986.98 is: 43,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,953.84 : 133,440.04 = 28,986.98 : x
  2. Step 2: Convert to fraction form
    88,953.84/133,440.04 = 28,986.98/x
  3. Step 3: Cross multiply
    88,953.84x = 133,440.04 × 28,986.98
  4. Step 4: Simplify right side
    88,953.84x = 3,868,023,770.68
  5. Step 5: Solve for x
    x = 3,868,023,770.68/88,953.84
  6. Step 6: Final answer
    x = 43,483.49

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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.