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Finding the Fourth Proportional to 10,875.52, 15,000.15 and 7,094.44

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Solution

The fourth proportional to 10,875.52, 15,000.15 and 7,094.44 is: 9,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.52 : 15,000.15 = 7,094.44 : x
  2. Step 2: Convert to fraction form
    10,875.52/15,000.15 = 7,094.44/x
  3. Step 3: Cross multiply
    10,875.52x = 15,000.15 × 7,094.44
  4. Step 4: Simplify right side
    10,875.52x = 106,417,664.17
  5. Step 5: Solve for x
    x = 106,417,664.17/10,875.52
  6. Step 6: Final answer
    x = 9,785.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.