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Finding the Fourth Proportional to 7,259.44, 10,886.44 and 2,875.72

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Solution

The fourth proportional to 7,259.44, 10,886.44 and 2,875.72 is: 4,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.44 : 10,886.44 = 2,875.72 : x
  2. Step 2: Convert to fraction form
    7,259.44/10,886.44 = 2,875.72/x
  3. Step 3: Cross multiply
    7,259.44x = 10,886.44 × 2,875.72
  4. Step 4: Simplify right side
    7,259.44x = 31,306,353.24
  5. Step 5: Solve for x
    x = 31,306,353.24/7,259.44
  6. Step 6: Final answer
    x = 4,312.50

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Half scale
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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.