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Finding the Fourth Proportional to 5,931,644.76, 8,898,159.06 and 2,146,910.04

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Solution

The fourth proportional to 5,931,644.76, 8,898,159.06 and 2,146,910.04 is: 3,220,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931,644.76 : 8,898,159.06 = 2,146,910.04 : x
  2. Step 2: Convert to fraction form
    5,931,644.76/8,898,159.06 = 2,146,910.04/x
  3. Step 3: Cross multiply
    5,931,644.76x = 8,898,159.06 × 2,146,910.04
  4. Step 4: Simplify right side
    5,931,644.76x = 19,103,547,023,430.96
  5. Step 5: Solve for x
    x = 19,103,547,023,430.96/5,931,644.76
  6. Step 6: Final answer
    x = 3,220,615.49

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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.