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Finding the Fourth Proportional to 35,453.61, 48,926.31 and 19,538.63

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Solution

The fourth proportional to 35,453.61, 48,926.31 and 19,538.63 is: 26,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.61 : 48,926.31 = 19,538.63 : x
  2. Step 2: Convert to fraction form
    35,453.61/48,926.31 = 19,538.63/x
  3. Step 3: Cross multiply
    35,453.61x = 48,926.31 × 19,538.63
  4. Step 4: Simplify right side
    35,453.61x = 955,953,068.36
  5. Step 5: Solve for x
    x = 955,953,068.36/35,453.61
  6. Step 6: Final answer
    x = 26,963.49

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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.