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Finding the Fourth Proportional to 64,900.76, 96,778.26 and 62,587.98

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Solution

The fourth proportional to 64,900.76, 96,778.26 and 62,587.98 is: 93,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,900.76 : 96,778.26 = 62,587.98 : x
  2. Step 2: Convert to fraction form
    64,900.76/96,778.26 = 62,587.98/x
  3. Step 3: Cross multiply
    64,900.76x = 96,778.26 × 62,587.98
  4. Step 4: Simplify right side
    64,900.76x = 6,057,155,801.31
  5. Step 5: Solve for x
    x = 6,057,155,801.31/64,900.76
  6. Step 6: Final answer
    x = 93,329.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.