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Finding the Fourth Proportional to 56,273.76, 77,681.70 and 35,063.51

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Solution

The fourth proportional to 56,273.76, 77,681.70 and 35,063.51 is: 48,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,273.76 : 77,681.70 = 35,063.51 : x
  2. Step 2: Convert to fraction form
    56,273.76/77,681.70 = 35,063.51/x
  3. Step 3: Cross multiply
    56,273.76x = 77,681.70 × 35,063.51
  4. Step 4: Simplify right side
    56,273.76x = 2,723,793,064.77
  5. Step 5: Solve for x
    x = 2,723,793,064.77/56,273.76
  6. Step 6: Final answer
    x = 48,402.54

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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.