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Finding the Fourth Proportional to 64,007.70, 96,011.55 and 57,665.40

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Solution

The fourth proportional to 64,007.70, 96,011.55 and 57,665.40 is: 86,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,007.70 : 96,011.55 = 57,665.40 : x
  2. Step 2: Convert to fraction form
    64,007.70/96,011.55 = 57,665.40/x
  3. Step 3: Cross multiply
    64,007.70x = 96,011.55 × 57,665.40
  4. Step 4: Simplify right side
    64,007.70x = 5,536,544,435.37
  5. Step 5: Solve for x
    x = 5,536,544,435.37/64,007.70
  6. Step 6: Final answer
    x = 86,498.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.