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Finding the Fourth Proportional to 63,492.80, 87,588.34 and 40,533.35

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Solution

The fourth proportional to 63,492.80, 87,588.34 and 40,533.35 is: 55,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,492.80 : 87,588.34 = 40,533.35 : x
  2. Step 2: Convert to fraction form
    63,492.80/87,588.34 = 40,533.35/x
  3. Step 3: Cross multiply
    63,492.80x = 87,588.34 × 40,533.35
  4. Step 4: Simplify right side
    63,492.80x = 3,550,248,301.86
  5. Step 5: Solve for x
    x = 3,550,248,301.86/63,492.80
  6. Step 6: Final answer
    x = 55,915.77

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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.