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Finding the Fourth Proportional to 39,066.48, 53,898.48 and 22,068.24

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Solution

The fourth proportional to 39,066.48, 53,898.48 and 22,068.24 is: 30,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066.48 : 53,898.48 = 22,068.24 : x
  2. Step 2: Convert to fraction form
    39,066.48/53,898.48 = 22,068.24/x
  3. Step 3: Cross multiply
    39,066.48x = 53,898.48 × 22,068.24
  4. Step 4: Simplify right side
    39,066.48x = 1,189,444,592.28
  5. Step 5: Solve for x
    x = 1,189,444,592.28/39,066.48
  6. Step 6: Final answer
    x = 30,446.68

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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.