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Finding the Fourth Proportional to 56,625.60, 84,938.40 and 14,505.60

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Solution

The fourth proportional to 56,625.60, 84,938.40 and 14,505.60 is: 21,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,625.60 : 84,938.40 = 14,505.60 : x
  2. Step 2: Convert to fraction form
    56,625.60/84,938.40 = 14,505.60/x
  3. Step 3: Cross multiply
    56,625.60x = 84,938.40 × 14,505.60
  4. Step 4: Simplify right side
    56,625.60x = 1,232,082,455.04
  5. Step 5: Solve for x
    x = 1,232,082,455.04/56,625.60
  6. Step 6: Final answer
    x = 21,758.40

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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.