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Finding the Fourth Proportional to 5,671,645.92, 7,829,492.40 and 3,496,577.76

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Solution

The fourth proportional to 5,671,645.92, 7,829,492.40 and 3,496,577.76 is: 4,826,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671,645.92 : 7,829,492.40 = 3,496,577.76 : x
  2. Step 2: Convert to fraction form
    5,671,645.92/7,829,492.40 = 3,496,577.76/x
  3. Step 3: Cross multiply
    5,671,645.92x = 7,829,492.40 × 3,496,577.76
  4. Step 4: Simplify right side
    5,671,645.92x = 27,376,428,997,929.02
  5. Step 5: Solve for x
    x = 27,376,428,997,929.02/5,671,645.92
  6. Step 6: Final answer
    x = 4,826,893.18

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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.