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Finding the Fourth Proportional to 58,926.40, 88,389.60 and 34,043.20

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Solution

The fourth proportional to 58,926.40, 88,389.60 and 34,043.20 is: 51,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,926.40 : 88,389.60 = 34,043.20 : x
  2. Step 2: Convert to fraction form
    58,926.40/88,389.60 = 34,043.20/x
  3. Step 3: Cross multiply
    58,926.40x = 88,389.60 × 34,043.20
  4. Step 4: Simplify right side
    58,926.40x = 3,009,064,830.72
  5. Step 5: Solve for x
    x = 3,009,064,830.72/58,926.40
  6. Step 6: Final answer
    x = 51,064.80

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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.