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Finding the Fourth Proportional to 4,998,561.03, 6,898,047.08 and 2,706,721.92

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Solution

The fourth proportional to 4,998,561.03, 6,898,047.08 and 2,706,721.92 is: 3,735,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998,561.03 : 6,898,047.08 = 2,706,721.92 : x
  2. Step 2: Convert to fraction form
    4,998,561.03/6,898,047.08 = 2,706,721.92/x
  3. Step 3: Cross multiply
    4,998,561.03x = 6,898,047.08 × 2,706,721.92
  4. Step 4: Simplify right side
    4,998,561.03x = 18,671,095,223,094.38
  5. Step 5: Solve for x
    x = 18,671,095,223,094.38/4,998,561.03
  6. Step 6: Final answer
    x = 3,735,294.04

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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.