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Finding the Fourth Proportional to 9,969,312.45, 14,953,968.68 and 9,969,312.45

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Solution

The fourth proportional to 9,969,312.45, 14,953,968.68 and 9,969,312.45 is: 14,953,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,312.45 : 14,953,968.68 = 9,969,312.45 : x
  2. Step 2: Convert to fraction form
    9,969,312.45/14,953,968.68 = 9,969,312.45/x
  3. Step 3: Cross multiply
    9,969,312.45x = 14,953,968.68 × 9,969,312.45
  4. Step 4: Simplify right side
    9,969,312.45x = 149,080,786,088,587.50
  5. Step 5: Solve for x
    x = 149,080,786,088,587.50/9,969,312.45
  6. Step 6: Final answer
    x = 14,953,968.68

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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.