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Finding the Fourth Proportional to 5,333,897.72, 7,360,801.29 and 2,886,508.87

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Solution

The fourth proportional to 5,333,897.72, 7,360,801.29 and 2,886,508.87 is: 3,983,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333,897.72 : 7,360,801.29 = 2,886,508.87 : x
  2. Step 2: Convert to fraction form
    5,333,897.72/7,360,801.29 = 2,886,508.87/x
  3. Step 3: Cross multiply
    5,333,897.72x = 7,360,801.29 × 2,886,508.87
  4. Step 4: Simplify right side
    5,333,897.72x = 21,247,018,195,490.44
  5. Step 5: Solve for x
    x = 21,247,018,195,490.44/5,333,897.72
  6. Step 6: Final answer
    x = 3,983,394.38

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1.5x scale

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.