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Finding the Fourth Proportional to 56,459.84, 84,615.93 and 23,140.89

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Solution

The fourth proportional to 56,459.84, 84,615.93 and 23,140.89 is: 34,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.84 : 84,615.93 = 23,140.89 : x
  2. Step 2: Convert to fraction form
    56,459.84/84,615.93 = 23,140.89/x
  3. Step 3: Cross multiply
    56,459.84x = 84,615.93 × 23,140.89
  4. Step 4: Simplify right side
    56,459.84x = 1,958,087,928.38
  5. Step 5: Solve for x
    x = 1,958,087,928.38/56,459.84
  6. Step 6: Final answer
    x = 34,681.08

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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.