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Finding the Fourth Proportional to 64,122.51, 88,492.44 and 38,636.88

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Solution

The fourth proportional to 64,122.51, 88,492.44 and 38,636.88 is: 53,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.51 : 88,492.44 = 38,636.88 : x
  2. Step 2: Convert to fraction form
    64,122.51/88,492.44 = 38,636.88/x
  3. Step 3: Cross multiply
    64,122.51x = 88,492.44 × 38,636.88
  4. Step 4: Simplify right side
    64,122.51x = 3,419,071,785.19
  5. Step 5: Solve for x
    x = 3,419,071,785.19/64,122.51
  6. Step 6: Final answer
    x = 53,320.93

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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.