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Finding the Fourth Proportional to 35,775.72, 49,368.01 and 19,858.91

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Solution

The fourth proportional to 35,775.72, 49,368.01 and 19,858.91 is: 27,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.72 : 49,368.01 = 19,858.91 : x
  2. Step 2: Convert to fraction form
    35,775.72/49,368.01 = 19,858.91/x
  3. Step 3: Cross multiply
    35,775.72x = 49,368.01 × 19,858.91
  4. Step 4: Simplify right side
    35,775.72x = 980,394,867.47
  5. Step 5: Solve for x
    x = 980,394,867.47/35,775.72
  6. Step 6: Final answer
    x = 27,403.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.