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Finding the Fourth Proportional to 59,893.60, 89,840.40 and 17,775.20

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Solution

The fourth proportional to 59,893.60, 89,840.40 and 17,775.20 is: 26,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,893.60 : 89,840.40 = 17,775.20 : x
  2. Step 2: Convert to fraction form
    59,893.60/89,840.40 = 17,775.20/x
  3. Step 3: Cross multiply
    59,893.60x = 89,840.40 × 17,775.20
  4. Step 4: Simplify right side
    59,893.60x = 1,596,931,078.08
  5. Step 5: Solve for x
    x = 1,596,931,078.08/59,893.60
  6. Step 6: Final answer
    x = 26,662.80

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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.