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Finding the Fourth Proportional to 35,459.47, 48,934.40 and 19,544.53

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Solution

The fourth proportional to 35,459.47, 48,934.40 and 19,544.53 is: 26,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.47 : 48,934.40 = 19,544.53 : x
  2. Step 2: Convert to fraction form
    35,459.47/48,934.40 = 19,544.53/x
  3. Step 3: Cross multiply
    35,459.47x = 48,934.40 × 19,544.53
  4. Step 4: Simplify right side
    35,459.47x = 956,399,653.02
  5. Step 5: Solve for x
    x = 956,399,653.02/35,459.47
  6. Step 6: Final answer
    x = 26,971.63

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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.