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Finding the Fourth Proportional to 9,901.93, 14,855.64 and 8,048.45

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Solution

The fourth proportional to 9,901.93, 14,855.64 and 8,048.45 is: 12,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.93 : 14,855.64 = 8,048.45 : x
  2. Step 2: Convert to fraction form
    9,901.93/14,855.64 = 8,048.45/x
  3. Step 3: Cross multiply
    9,901.93x = 14,855.64 × 8,048.45
  4. Step 4: Simplify right side
    9,901.93x = 119,564,875.76
  5. Step 5: Solve for x
    x = 119,564,875.76/9,901.93
  6. Step 6: Final answer
    x = 12,074.91

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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.