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Finding the Fourth Proportional to 64,285.85, 88,706.90 and 37,061.63

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Solution

The fourth proportional to 64,285.85, 88,706.90 and 37,061.63 is: 51,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,285.85 : 88,706.90 = 37,061.63 : x
  2. Step 2: Convert to fraction form
    64,285.85/88,706.90 = 37,061.63/x
  3. Step 3: Cross multiply
    64,285.85x = 88,706.90 × 37,061.63
  4. Step 4: Simplify right side
    64,285.85x = 3,287,622,342.71
  5. Step 5: Solve for x
    x = 3,287,622,342.71/64,285.85
  6. Step 6: Final answer
    x = 51,140.68

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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.