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Finding the Fourth Proportional to 55,087.84, 83,124.12 and 55,087.84

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Solution

The fourth proportional to 55,087.84, 83,124.12 and 55,087.84 is: 83,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.84 : 83,124.12 = 55,087.84 : x
  2. Step 2: Convert to fraction form
    55,087.84/83,124.12 = 55,087.84/x
  3. Step 3: Cross multiply
    55,087.84x = 83,124.12 × 55,087.84
  4. Step 4: Simplify right side
    55,087.84x = 4,579,128,222.70
  5. Step 5: Solve for x
    x = 4,579,128,222.70/55,087.84
  6. Step 6: Final answer
    x = 83,124.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.