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Finding the Fourth Proportional to 64,568.58, 89,088.99 and 37,695.72

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Solution

The fourth proportional to 64,568.58, 89,088.99 and 37,695.72 is: 52,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,568.58 : 89,088.99 = 37,695.72 : x
  2. Step 2: Convert to fraction form
    64,568.58/89,088.99 = 37,695.72/x
  3. Step 3: Cross multiply
    64,568.58x = 89,088.99 × 37,695.72
  4. Step 4: Simplify right side
    64,568.58x = 3,358,273,622.12
  5. Step 5: Solve for x
    x = 3,358,273,622.12/64,568.58
  6. Step 6: Final answer
    x = 52,010.96

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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.