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Finding the Fourth Proportional to 9,444,890.40, 13,248,040.80 and 9,444,890.40

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Solution

The fourth proportional to 9,444,890.40, 13,248,040.80 and 9,444,890.40 is: 13,248,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,444,890.40 : 13,248,040.80 = 9,444,890.40 : x
  2. Step 2: Convert to fraction form
    9,444,890.40/13,248,040.80 = 9,444,890.40/x
  3. Step 3: Cross multiply
    9,444,890.40x = 13,248,040.80 × 9,444,890.40
  4. Step 4: Simplify right side
    9,444,890.40x = 125,126,293,370,728.33
  5. Step 5: Solve for x
    x = 125,126,293,370,728.33/9,444,890.40
  6. Step 6: Final answer
    x = 13,248,040.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.