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Finding the Fourth Proportional to 58,876.16, 81,220.54 and 34,985.93

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Solution

The fourth proportional to 58,876.16, 81,220.54 and 34,985.93 is: 48,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,876.16 : 81,220.54 = 34,985.93 : x
  2. Step 2: Convert to fraction form
    58,876.16/81,220.54 = 34,985.93/x
  3. Step 3: Cross multiply
    58,876.16x = 81,220.54 × 34,985.93
  4. Step 4: Simplify right side
    58,876.16x = 2,841,575,633.43
  5. Step 5: Solve for x
    x = 2,841,575,633.43/58,876.16
  6. Step 6: Final answer
    x = 48,263.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.