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Finding the Fourth Proportional to 7,281,656.10, 10,048,664.80 and 4,018,447.47

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Solution

The fourth proportional to 7,281,656.10, 10,048,664.80 and 4,018,447.47 is: 5,545,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,656.10 : 10,048,664.80 = 4,018,447.47 : x
  2. Step 2: Convert to fraction form
    7,281,656.10/10,048,664.80 = 4,018,447.47/x
  3. Step 3: Cross multiply
    7,281,656.10x = 10,048,664.80 × 4,018,447.47
  4. Step 4: Simplify right side
    7,281,656.10x = 40,380,031,642,438.06
  5. Step 5: Solve for x
    x = 40,380,031,642,438.06/7,281,656.10
  6. Step 6: Final answer
    x = 5,545,446.13

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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.