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Finding the Fourth Proportional to 35,484,893.60, 53,227,340.40 and 31,894,714.40

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Solution

The fourth proportional to 35,484,893.60, 53,227,340.40 and 31,894,714.40 is: 47,842,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,484,893.60 : 53,227,340.40 = 31,894,714.40 : x
  2. Step 2: Convert to fraction form
    35,484,893.60/53,227,340.40 = 31,894,714.40/x
  3. Step 3: Cross multiply
    35,484,893.60x = 53,227,340.40 × 31,894,714.40
  4. Step 4: Simplify right side
    35,484,893.60x = 1,697,670,820,329,581.75
  5. Step 5: Solve for x
    x = 1,697,670,820,329,581.75/35,484,893.60
  6. Step 6: Final answer
    x = 47,842,071.60

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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.