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Finding the Fourth Proportional to 91,580.60, 126,387.06 and 59,835.08

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Solution

The fourth proportional to 91,580.60, 126,387.06 and 59,835.08 is: 82,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,580.60 : 126,387.06 = 59,835.08 : x
  2. Step 2: Convert to fraction form
    91,580.60/126,387.06 = 59,835.08/x
  3. Step 3: Cross multiply
    91,580.60x = 126,387.06 × 59,835.08
  4. Step 4: Simplify right side
    91,580.60x = 7,562,379,846.06
  5. Step 5: Solve for x
    x = 7,562,379,846.06/91,580.60
  6. Step 6: Final answer
    x = 82,576.22

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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.