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Finding the Fourth Proportional to 64,180.64, 88,596.24 and 39,038.88

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Solution

The fourth proportional to 64,180.64, 88,596.24 and 39,038.88 is: 53,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,180.64 : 88,596.24 = 39,038.88 : x
  2. Step 2: Convert to fraction form
    64,180.64/88,596.24 = 39,038.88/x
  3. Step 3: Cross multiply
    64,180.64x = 88,596.24 × 39,038.88
  4. Step 4: Simplify right side
    64,180.64x = 3,458,697,981.81
  5. Step 5: Solve for x
    x = 3,458,697,981.81/64,180.64
  6. Step 6: Final answer
    x = 53,890.05

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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.