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Finding the Fourth Proportional to 15,668,009.10, 23,502,013.65 and 9,928,446.30

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Solution

The fourth proportional to 15,668,009.10, 23,502,013.65 and 9,928,446.30 is: 14,892,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668,009.10 : 23,502,013.65 = 9,928,446.30 : x
  2. Step 2: Convert to fraction form
    15,668,009.10/23,502,013.65 = 9,928,446.30/x
  3. Step 3: Cross multiply
    15,668,009.10x = 23,502,013.65 × 9,928,446.30
  4. Step 4: Simplify right side
    15,668,009.10x = 233,338,480,465,892
  5. Step 5: Solve for x
    x = 233,338,480,465,892/15,668,009.10
  6. Step 6: Final answer
    x = 14,892,669.45

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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.