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Finding the Fourth Proportional to 7,248.47, 10,000.49 and 5,009.54

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Solution

The fourth proportional to 7,248.47, 10,000.49 and 5,009.54 is: 6,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.47 : 10,000.49 = 5,009.54 : x
  2. Step 2: Convert to fraction form
    7,248.47/10,000.49 = 5,009.54/x
  3. Step 3: Cross multiply
    7,248.47x = 10,000.49 × 5,009.54
  4. Step 4: Simplify right side
    7,248.47x = 50,097,779.62
  5. Step 5: Solve for x
    x = 50,097,779.62/7,248.47
  6. Step 6: Final answer
    x = 6,911.50

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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.