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Finding the Fourth Proportional to 27,350.48, 40,875.80 and 19,970.48

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Solution

The fourth proportional to 27,350.48, 40,875.80 and 19,970.48 is: 29,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,350.48 : 40,875.80 = 19,970.48 : x
  2. Step 2: Convert to fraction form
    27,350.48/40,875.80 = 19,970.48/x
  3. Step 3: Cross multiply
    27,350.48x = 40,875.80 × 19,970.48
  4. Step 4: Simplify right side
    27,350.48x = 816,309,346.38
  5. Step 5: Solve for x
    x = 816,309,346.38/27,350.48
  6. Step 6: Final answer
    x = 29,846.25

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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.