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Finding the Fourth Proportional to 35,563.60, 53,287.80 and 29,688.40

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Solution

The fourth proportional to 35,563.60, 53,287.80 and 29,688.40 is: 44,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,563.60 : 53,287.80 = 29,688.40 : x
  2. Step 2: Convert to fraction form
    35,563.60/53,287.80 = 29,688.40/x
  3. Step 3: Cross multiply
    35,563.60x = 53,287.80 × 29,688.40
  4. Step 4: Simplify right side
    35,563.60x = 1,582,029,521.52
  5. Step 5: Solve for x
    x = 1,582,029,521.52/35,563.60
  6. Step 6: Final answer
    x = 44,484.52

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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.