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Finding the Fourth Proportional to 9,934,482.72, 13,710,722.40 and 5,524,648.32

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Solution

The fourth proportional to 9,934,482.72, 13,710,722.40 and 5,524,648.32 is: 7,624,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934,482.72 : 13,710,722.40 = 5,524,648.32 : x
  2. Step 2: Convert to fraction form
    9,934,482.72/13,710,722.40 = 5,524,648.32/x
  3. Step 3: Cross multiply
    9,934,482.72x = 13,710,722.40 × 5,524,648.32
  4. Step 4: Simplify right side
    9,934,482.72x = 75,746,919,473,146.38
  5. Step 5: Solve for x
    x = 75,746,919,473,146.38/9,934,482.72
  6. Step 6: Final answer
    x = 7,624,646.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.