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Finding the Fourth Proportional to 64,565.55, 89,223.66 and 48,622.32

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Solution

The fourth proportional to 64,565.55, 89,223.66 and 48,622.32 is: 67,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,565.55 : 89,223.66 = 48,622.32 : x
  2. Step 2: Convert to fraction form
    64,565.55/89,223.66 = 48,622.32/x
  3. Step 3: Cross multiply
    64,565.55x = 89,223.66 × 48,622.32
  4. Step 4: Simplify right side
    64,565.55x = 4,338,261,348.09
  5. Step 5: Solve for x
    x = 4,338,261,348.09/64,565.55
  6. Step 6: Final answer
    x = 67,191.58

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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.