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Finding the Fourth Proportional to 54,810.60, 76,812.60 and 54,810.60

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Solution

The fourth proportional to 54,810.60, 76,812.60 and 54,810.60 is: 76,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.60 : 76,812.60 = 54,810.60 : x
  2. Step 2: Convert to fraction form
    54,810.60/76,812.60 = 54,810.60/x
  3. Step 3: Cross multiply
    54,810.60x = 76,812.60 × 54,810.60
  4. Step 4: Simplify right side
    54,810.60x = 4,210,144,693.56
  5. Step 5: Solve for x
    x = 4,210,144,693.56/54,810.60
  6. Step 6: Final answer
    x = 76,812.60

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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.