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Finding the Fourth Proportional to 35,810.21, 49,419.21 and 19,895.93

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Solution

The fourth proportional to 35,810.21, 49,419.21 and 19,895.93 is: 27,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.21 : 49,419.21 = 19,895.93 : x
  2. Step 2: Convert to fraction form
    35,810.21/49,419.21 = 19,895.93/x
  3. Step 3: Cross multiply
    35,810.21x = 49,419.21 × 19,895.93
  4. Step 4: Simplify right side
    35,810.21x = 983,241,142.82
  5. Step 5: Solve for x
    x = 983,241,142.82/35,810.21
  6. Step 6: Final answer
    x = 27,457.01

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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.