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Finding the Fourth Proportional to 35,681.01, 49,239.14 and 19,765.11

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Solution

The fourth proportional to 35,681.01, 49,239.14 and 19,765.11 is: 27,275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.01 : 49,239.14 = 19,765.11 : x
  2. Step 2: Convert to fraction form
    35,681.01/49,239.14 = 19,765.11/x
  3. Step 3: Cross multiply
    35,681.01x = 49,239.14 × 19,765.11
  4. Step 4: Simplify right side
    35,681.01x = 973,216,919.58
  5. Step 5: Solve for x
    x = 973,216,919.58/35,681.01
  6. Step 6: Final answer
    x = 27,275.49

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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.