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Finding the Fourth Proportional to 61,564.84, 92,223.93 and 28,239.01

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Solution

The fourth proportional to 61,564.84, 92,223.93 and 28,239.01 is: 42,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,564.84 : 92,223.93 = 28,239.01 : x
  2. Step 2: Convert to fraction form
    61,564.84/92,223.93 = 28,239.01/x
  3. Step 3: Cross multiply
    61,564.84x = 92,223.93 × 28,239.01
  4. Step 4: Simplify right side
    61,564.84x = 2,604,312,356.85
  5. Step 5: Solve for x
    x = 2,604,312,356.85/61,564.84
  6. Step 6: Final answer
    x = 42,301.94

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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.