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Finding the Fourth Proportional to 63,551.34, 87,628.59 and 40,550.22

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Solution

The fourth proportional to 63,551.34, 87,628.59 and 40,550.22 is: 55,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,551.34 : 87,628.59 = 40,550.22 : x
  2. Step 2: Convert to fraction form
    63,551.34/87,628.59 = 40,550.22/x
  3. Step 3: Cross multiply
    63,551.34x = 87,628.59 × 40,550.22
  4. Step 4: Simplify right side
    63,551.34x = 3,553,358,602.79
  5. Step 5: Solve for x
    x = 3,553,358,602.79/63,551.34
  6. Step 6: Final answer
    x = 55,913.20

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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.