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Finding the Fourth Proportional to 62,401.68, 93,602.16 and 20,848.32

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Solution

The fourth proportional to 62,401.68, 93,602.16 and 20,848.32 is: 31,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,401.68 : 93,602.16 = 20,848.32 : x
  2. Step 2: Convert to fraction form
    62,401.68/93,602.16 = 20,848.32/x
  3. Step 3: Cross multiply
    62,401.68x = 93,602.16 × 20,848.32
  4. Step 4: Simplify right side
    62,401.68x = 1,951,447,784.37
  5. Step 5: Solve for x
    x = 1,951,447,784.37/62,401.68
  6. Step 6: Final answer
    x = 31,272.36

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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.