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Finding the Fourth Proportional to 32,688.48, 45,109.68 and 17,784.48

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Solution

The fourth proportional to 32,688.48, 45,109.68 and 17,784.48 is: 24,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.48 : 45,109.68 = 17,784.48 : x
  2. Step 2: Convert to fraction form
    32,688.48/45,109.68 = 17,784.48/x
  3. Step 3: Cross multiply
    32,688.48x = 45,109.68 × 17,784.48
  4. Step 4: Simplify right side
    32,688.48x = 802,252,201.77
  5. Step 5: Solve for x
    x = 802,252,201.77/32,688.48
  6. Step 6: Final answer
    x = 24,542.35

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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.