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Finding the Fourth Proportional to 62,920.34, 86,830.07 and 34,626.02

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Solution

The fourth proportional to 62,920.34, 86,830.07 and 34,626.02 is: 47,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.34 : 86,830.07 = 34,626.02 : x
  2. Step 2: Convert to fraction form
    62,920.34/86,830.07 = 34,626.02/x
  3. Step 3: Cross multiply
    62,920.34x = 86,830.07 × 34,626.02
  4. Step 4: Simplify right side
    62,920.34x = 3,006,579,740.42
  5. Step 5: Solve for x
    x = 3,006,579,740.42/62,920.34
  6. Step 6: Final answer
    x = 47,783.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.