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Finding the Fourth Proportional to 55,962.40, 83,866.80 and 45,594.40

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Solution

The fourth proportional to 55,962.40, 83,866.80 and 45,594.40 is: 68,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,962.40 : 83,866.80 = 45,594.40 : x
  2. Step 2: Convert to fraction form
    55,962.40/83,866.80 = 45,594.40/x
  3. Step 3: Cross multiply
    55,962.40x = 83,866.80 × 45,594.40
  4. Step 4: Simplify right side
    55,962.40x = 3,823,856,425.92
  5. Step 5: Solve for x
    x = 3,823,856,425.92/55,962.40
  6. Step 6: Final answer
    x = 68,329.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.