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Finding the Fourth Proportional to 57,482.46, 86,763.62 and 57,482.46

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Solution

The fourth proportional to 57,482.46, 86,763.62 and 57,482.46 is: 86,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,482.46 : 86,763.62 = 57,482.46 : x
  2. Step 2: Convert to fraction form
    57,482.46/86,763.62 = 57,482.46/x
  3. Step 3: Cross multiply
    57,482.46x = 86,763.62 × 57,482.46
  4. Step 4: Simplify right side
    57,482.46x = 4,987,386,825.85
  5. Step 5: Solve for x
    x = 4,987,386,825.85/57,482.46
  6. Step 6: Final answer
    x = 86,763.62

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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.