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Finding the Fourth Proportional to 62,820.71, 94,243.86 and 56,547.08

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Solution

The fourth proportional to 62,820.71, 94,243.86 and 56,547.08 is: 84,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.71 : 94,243.86 = 56,547.08 : x
  2. Step 2: Convert to fraction form
    62,820.71/94,243.86 = 56,547.08/x
  3. Step 3: Cross multiply
    62,820.71x = 94,243.86 × 56,547.08
  4. Step 4: Simplify right side
    62,820.71x = 5,329,215,090.93
  5. Step 5: Solve for x
    x = 5,329,215,090.93/62,820.71
  6. Step 6: Final answer
    x = 84,832.14

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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.