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Finding the Fourth Proportional to 5,742,978.97, 7,925,364.13 and 3,164,752.01

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Solution

The fourth proportional to 5,742,978.97, 7,925,364.13 and 3,164,752.01 is: 4,367,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742,978.97 : 7,925,364.13 = 3,164,752.01 : x
  2. Step 2: Convert to fraction form
    5,742,978.97/7,925,364.13 = 3,164,752.01/x
  3. Step 3: Cross multiply
    5,742,978.97x = 7,925,364.13 × 3,164,752.01
  4. Step 4: Simplify right side
    5,742,978.97x = 25,081,812,060,399.40
  5. Step 5: Solve for x
    x = 25,081,812,060,399.40/5,742,978.97
  6. Step 6: Final answer
    x = 4,367,387.06

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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.