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Finding the Fourth Proportional to 56,332.60, 84,496.20 and 18,893.20

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Solution

The fourth proportional to 56,332.60, 84,496.20 and 18,893.20 is: 28,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,332.60 : 84,496.20 = 18,893.20 : x
  2. Step 2: Convert to fraction form
    56,332.60/84,496.20 = 18,893.20/x
  3. Step 3: Cross multiply
    56,332.60x = 84,496.20 × 18,893.20
  4. Step 4: Simplify right side
    56,332.60x = 1,596,403,605.84
  5. Step 5: Solve for x
    x = 1,596,403,605.84/56,332.60
  6. Step 6: Final answer
    x = 28,338.89

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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.