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Finding the Fourth Proportional to 64,306.58, 88,746.23 and 38,812.50

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Solution

The fourth proportional to 64,306.58, 88,746.23 and 38,812.50 is: 53,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.58 : 88,746.23 = 38,812.50 : x
  2. Step 2: Convert to fraction form
    64,306.58/88,746.23 = 38,812.50/x
  3. Step 3: Cross multiply
    64,306.58x = 88,746.23 × 38,812.50
  4. Step 4: Simplify right side
    64,306.58x = 3,444,463,148.91
  5. Step 5: Solve for x
    x = 3,444,463,148.91/64,306.58
  6. Step 6: Final answer
    x = 53,563.16

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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.