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Finding the Fourth Proportional to 17,574,988.60, 26,364,978.47 and 5,445,405.46

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Solution

The fourth proportional to 17,574,988.60, 26,364,978.47 and 5,445,405.46 is: 8,168,881.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,574,988.60 : 26,364,978.47 = 5,445,405.46 : x
  2. Step 2: Convert to fraction form
    17,574,988.60/26,364,978.47 = 5,445,405.46/x
  3. Step 3: Cross multiply
    17,574,988.60x = 26,364,978.47 × 5,445,405.46
  4. Step 4: Simplify right side
    17,574,988.60x = 143,567,997,713,320.44
  5. Step 5: Solve for x
    x = 143,567,997,713,320.44/17,574,988.60
  6. Step 6: Final answer
    x = 8,168,881.41

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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.