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Finding the Fourth Proportional to 48,666.48, 72,654.06 and 46,938.48

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Solution

The fourth proportional to 48,666.48, 72,654.06 and 46,938.48 is: 70,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.48 : 72,654.06 = 46,938.48 : x
  2. Step 2: Convert to fraction form
    48,666.48/72,654.06 = 46,938.48/x
  3. Step 3: Cross multiply
    48,666.48x = 72,654.06 × 46,938.48
  4. Step 4: Simplify right side
    48,666.48x = 3,410,271,142.23
  5. Step 5: Solve for x
    x = 3,410,271,142.23/48,666.48
  6. Step 6: Final answer
    x = 70,074.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.