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Finding the Fourth Proportional to 8,319.53, 12,407.14 and 7,094.81

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Solution

The fourth proportional to 8,319.53, 12,407.14 and 7,094.81 is: 10,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.53 : 12,407.14 = 7,094.81 : x
  2. Step 2: Convert to fraction form
    8,319.53/12,407.14 = 7,094.81/x
  3. Step 3: Cross multiply
    8,319.53x = 12,407.14 × 7,094.81
  4. Step 4: Simplify right side
    8,319.53x = 88,026,300.92
  5. Step 5: Solve for x
    x = 88,026,300.92/8,319.53
  6. Step 6: Final answer
    x = 10,580.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.