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Finding the Fourth Proportional to 8,798.70, 13,230.45 and 7,373.10

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Solution

The fourth proportional to 8,798.70, 13,230.45 and 7,373.10 is: 11,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.70 : 13,230.45 = 7,373.10 : x
  2. Step 2: Convert to fraction form
    8,798.70/13,230.45 = 7,373.10/x
  3. Step 3: Cross multiply
    8,798.70x = 13,230.45 × 7,373.10
  4. Step 4: Simplify right side
    8,798.70x = 97,549,430.90
  5. Step 5: Solve for x
    x = 97,549,430.90/8,798.70
  6. Step 6: Final answer
    x = 11,086.80

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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.