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Finding the Fourth Proportional to 8,007.53, 12,011.15 and 4,698.79

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Solution

The fourth proportional to 8,007.53, 12,011.15 and 4,698.79 is: 7,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.53 : 12,011.15 = 4,698.79 : x
  2. Step 2: Convert to fraction form
    8,007.53/12,011.15 = 4,698.79/x
  3. Step 3: Cross multiply
    8,007.53x = 12,011.15 × 4,698.79
  4. Step 4: Simplify right side
    8,007.53x = 56,437,871.51
  5. Step 5: Solve for x
    x = 56,437,871.51/8,007.53
  6. Step 6: Final answer
    x = 7,048.10

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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.