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Finding the Fourth Proportional to 62,646.89, 93,960.41 and 20,526.89

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Solution

The fourth proportional to 62,646.89, 93,960.41 and 20,526.89 is: 30,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,646.89 : 93,960.41 = 20,526.89 : x
  2. Step 2: Convert to fraction form
    62,646.89/93,960.41 = 20,526.89/x
  3. Step 3: Cross multiply
    62,646.89x = 93,960.41 × 20,526.89
  4. Step 4: Simplify right side
    62,646.89x = 1,928,714,427.99
  5. Step 5: Solve for x
    x = 1,928,714,427.99/62,646.89
  6. Step 6: Final answer
    x = 30,787.08

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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.