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Finding the Fourth Proportional to 44,897.99, 67,347.31 and 19,931.32

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Solution

The fourth proportional to 44,897.99, 67,347.31 and 19,931.32 is: 29,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,897.99 : 67,347.31 = 19,931.32 : x
  2. Step 2: Convert to fraction form
    44,897.99/67,347.31 = 19,931.32/x
  3. Step 3: Cross multiply
    44,897.99x = 67,347.31 × 19,931.32
  4. Step 4: Simplify right side
    44,897.99x = 1,342,320,945.68
  5. Step 5: Solve for x
    x = 1,342,320,945.68/44,897.99
  6. Step 6: Final answer
    x = 29,897.13

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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.