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Finding the Fourth Proportional to 62,828.40, 88,222.20 and 62,828.40

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Solution

The fourth proportional to 62,828.40, 88,222.20 and 62,828.40 is: 88,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,828.40 : 88,222.20 = 62,828.40 : x
  2. Step 2: Convert to fraction form
    62,828.40/88,222.20 = 62,828.40/x
  3. Step 3: Cross multiply
    62,828.40x = 88,222.20 × 62,828.40
  4. Step 4: Simplify right side
    62,828.40x = 5,542,859,670.48
  5. Step 5: Solve for x
    x = 5,542,859,670.48/62,828.40
  6. Step 6: Final answer
    x = 88,222.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.