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Finding the Fourth Proportional to 56,135.58, 84,203.06 and 14,015.58

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Solution

The fourth proportional to 56,135.58, 84,203.06 and 14,015.58 is: 21,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,135.58 : 84,203.06 = 14,015.58 : x
  2. Step 2: Convert to fraction form
    56,135.58/84,203.06 = 14,015.58/x
  3. Step 3: Cross multiply
    56,135.58x = 84,203.06 × 14,015.58
  4. Step 4: Simplify right side
    56,135.58x = 1,180,154,653.60
  5. Step 5: Solve for x
    x = 1,180,154,653.60/56,135.58
  6. Step 6: Final answer
    x = 21,023.29

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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.