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Finding the Fourth Proportional to 53,124.48, 73,308.48 and 31,898.88

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Solution

The fourth proportional to 53,124.48, 73,308.48 and 31,898.88 is: 44,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,124.48 : 73,308.48 = 31,898.88 : x
  2. Step 2: Convert to fraction form
    53,124.48/73,308.48 = 31,898.88/x
  3. Step 3: Cross multiply
    53,124.48x = 73,308.48 × 31,898.88
  4. Step 4: Simplify right side
    53,124.48x = 2,338,458,406.50
  5. Step 5: Solve for x
    x = 2,338,458,406.50/53,124.48
  6. Step 6: Final answer
    x = 44,018.47

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1.5x scale

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.