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Finding the Fourth Proportional to 56,501.52, 84,664.68 and 35,681.28

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Solution

The fourth proportional to 56,501.52, 84,664.68 and 35,681.28 is: 53,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.52 : 84,664.68 = 35,681.28 : x
  2. Step 2: Convert to fraction form
    56,501.52/84,664.68 = 35,681.28/x
  3. Step 3: Cross multiply
    56,501.52x = 84,664.68 × 35,681.28
  4. Step 4: Simplify right side
    56,501.52x = 3,020,944,153.19
  5. Step 5: Solve for x
    x = 3,020,944,153.19/56,501.52
  6. Step 6: Final answer
    x = 53,466.60

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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.