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Finding the Fourth Proportional to 56,547.53, 84,824.21 and 14,427.98

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Solution

The fourth proportional to 56,547.53, 84,824.21 and 14,427.98 is: 21,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,547.53 : 84,824.21 = 14,427.98 : x
  2. Step 2: Convert to fraction form
    56,547.53/84,824.21 = 14,427.98/x
  3. Step 3: Cross multiply
    56,547.53x = 84,824.21 × 14,427.98
  4. Step 4: Simplify right side
    56,547.53x = 1,223,841,935.44
  5. Step 5: Solve for x
    x = 1,223,841,935.44/56,547.53
  6. Step 6: Final answer
    x = 21,642.71

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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.