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Finding the Fourth Proportional to 9,995.57, 14,970.04 and 7,901.52

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Solution

The fourth proportional to 9,995.57, 14,970.04 and 7,901.52 is: 11,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.57 : 14,970.04 = 7,901.52 : x
  2. Step 2: Convert to fraction form
    9,995.57/14,970.04 = 7,901.52/x
  3. Step 3: Cross multiply
    9,995.57x = 14,970.04 × 7,901.52
  4. Step 4: Simplify right side
    9,995.57x = 118,286,070.46
  5. Step 5: Solve for x
    x = 118,286,070.46/9,995.57
  6. Step 6: Final answer
    x = 11,833.85

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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.