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Finding the Fourth Proportional to 56,363.31, 84,547.53 and 31,384.53

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Solution

The fourth proportional to 56,363.31, 84,547.53 and 31,384.53 is: 47,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363.31 : 84,547.53 = 31,384.53 : x
  2. Step 2: Convert to fraction form
    56,363.31/84,547.53 = 31,384.53/x
  3. Step 3: Cross multiply
    56,363.31x = 84,547.53 × 31,384.53
  4. Step 4: Simplify right side
    56,363.31x = 2,653,484,491.71
  5. Step 5: Solve for x
    x = 2,653,484,491.71/56,363.31
  6. Step 6: Final answer
    x = 47,078.22

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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.