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Finding the Fourth Proportional to 56,070.84, 77,377.14 and 30,577.12

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Solution

The fourth proportional to 56,070.84, 77,377.14 and 30,577.12 is: 42,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,070.84 : 77,377.14 = 30,577.12 : x
  2. Step 2: Convert to fraction form
    56,070.84/77,377.14 = 30,577.12/x
  3. Step 3: Cross multiply
    56,070.84x = 77,377.14 × 30,577.12
  4. Step 4: Simplify right side
    56,070.84x = 2,365,970,095.04
  5. Step 5: Solve for x
    x = 2,365,970,095.04/56,070.84
  6. Step 6: Final answer
    x = 42,196.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.