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Finding the Fourth Proportional to 42,159.54, 63,232.02 and 14,457.54

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Solution

The fourth proportional to 42,159.54, 63,232.02 and 14,457.54 is: 21,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.54 : 63,232.02 = 14,457.54 : x
  2. Step 2: Convert to fraction form
    42,159.54/63,232.02 = 14,457.54/x
  3. Step 3: Cross multiply
    42,159.54x = 63,232.02 × 14,457.54
  4. Step 4: Simplify right side
    42,159.54x = 914,179,458.43
  5. Step 5: Solve for x
    x = 914,179,458.43/42,159.54
  6. Step 6: Final answer
    x = 21,683.81

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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.