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Finding the Fourth Proportional to 77,554.59, 107,024.95 and 43,563.60

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Solution

The fourth proportional to 77,554.59, 107,024.95 and 43,563.60 is: 60,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,554.59 : 107,024.95 = 43,563.60 : x
  2. Step 2: Convert to fraction form
    77,554.59/107,024.95 = 43,563.60/x
  3. Step 3: Cross multiply
    77,554.59x = 107,024.95 × 43,563.60
  4. Step 4: Simplify right side
    77,554.59x = 4,662,391,620.22
  5. Step 5: Solve for x
    x = 4,662,391,620.22/77,554.59
  6. Step 6: Final answer
    x = 60,117.55

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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.