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Finding the Fourth Proportional to 42,063.68, 63,095.52 and 14,361.68

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Solution

The fourth proportional to 42,063.68, 63,095.52 and 14,361.68 is: 21,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.68 : 63,095.52 = 14,361.68 : x
  2. Step 2: Convert to fraction form
    42,063.68/63,095.52 = 14,361.68/x
  3. Step 3: Cross multiply
    42,063.68x = 63,095.52 × 14,361.68
  4. Step 4: Simplify right side
    42,063.68x = 906,157,667.67
  5. Step 5: Solve for x
    x = 906,157,667.67/42,063.68
  6. Step 6: Final answer
    x = 21,542.52

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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.