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Finding the Fourth Proportional to 75,216.80, 112,792.80 and 37,762.40

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Solution

The fourth proportional to 75,216.80, 112,792.80 and 37,762.40 is: 56,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,216.80 : 112,792.80 = 37,762.40 : x
  2. Step 2: Convert to fraction form
    75,216.80/112,792.80 = 37,762.40/x
  3. Step 3: Cross multiply
    75,216.80x = 112,792.80 × 37,762.40
  4. Step 4: Simplify right side
    75,216.80x = 4,259,326,830.72
  5. Step 5: Solve for x
    x = 4,259,326,830.72/75,216.80
  6. Step 6: Final answer
    x = 56,627.33

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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.