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Finding the Fourth Proportional to 9,333,679.80, 14,000,519.70 and 8,766,809.40

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Solution

The fourth proportional to 9,333,679.80, 14,000,519.70 and 8,766,809.40 is: 13,150,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333,679.80 : 14,000,519.70 = 8,766,809.40 : x
  2. Step 2: Convert to fraction form
    9,333,679.80/14,000,519.70 = 8,766,809.40/x
  3. Step 3: Cross multiply
    9,333,679.80x = 14,000,519.70 × 8,766,809.40
  4. Step 4: Simplify right side
    9,333,679.80x = 122,739,887,710,845.17
  5. Step 5: Solve for x
    x = 122,739,887,710,845.17/9,333,679.80
  6. Step 6: Final answer
    x = 13,150,214.10

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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.