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Finding the Fourth Proportional to 42,497.58, 63,754.02 and 34,669.50

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Solution

The fourth proportional to 42,497.58, 63,754.02 and 34,669.50 is: 52,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497.58 : 63,754.02 = 34,669.50 : x
  2. Step 2: Convert to fraction form
    42,497.58/63,754.02 = 34,669.50/x
  3. Step 3: Cross multiply
    42,497.58x = 63,754.02 × 34,669.50
  4. Step 4: Simplify right side
    42,497.58x = 2,210,319,996.39
  5. Step 5: Solve for x
    x = 2,210,319,996.39/42,497.58
  6. Step 6: Final answer
    x = 52,010.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.