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Finding the Fourth Proportional to 56,501.99, 84,767.23 and 39,894.46

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Solution

The fourth proportional to 56,501.99, 84,767.23 and 39,894.46 is: 59,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.99 : 84,767.23 = 39,894.46 : x
  2. Step 2: Convert to fraction form
    56,501.99/84,767.23 = 39,894.46/x
  3. Step 3: Cross multiply
    56,501.99x = 84,767.23 × 39,894.46
  4. Step 4: Simplify right side
    56,501.99x = 3,381,742,667.07
  5. Step 5: Solve for x
    x = 3,381,742,667.07/56,501.99
  6. Step 6: Final answer
    x = 59,851.74

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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.