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Finding the Fourth Proportional to 66,582.68, 91,777.37 and 45,065.64

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Solution

The fourth proportional to 66,582.68, 91,777.37 and 45,065.64 is: 62,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582.68 : 91,777.37 = 45,065.64 : x
  2. Step 2: Convert to fraction form
    66,582.68/91,777.37 = 45,065.64/x
  3. Step 3: Cross multiply
    66,582.68x = 91,777.37 × 45,065.64
  4. Step 4: Simplify right side
    66,582.68x = 4,136,006,029.23
  5. Step 5: Solve for x
    x = 4,136,006,029.23/66,582.68
  6. Step 6: Final answer
    x = 62,118.34

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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.