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Finding the Fourth Proportional to 63,225.76, 94,838.28 and 25,785.64

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Solution

The fourth proportional to 63,225.76, 94,838.28 and 25,785.64 is: 38,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,225.76 : 94,838.28 = 25,785.64 : x
  2. Step 2: Convert to fraction form
    63,225.76/94,838.28 = 25,785.64/x
  3. Step 3: Cross multiply
    63,225.76x = 94,838.28 × 25,785.64
  4. Step 4: Simplify right side
    63,225.76x = 2,445,465,746.30
  5. Step 5: Solve for x
    x = 2,445,465,746.30/63,225.76
  6. Step 6: Final answer
    x = 38,678.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.