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Finding the Fourth Proportional to 35,985,414.40, 53,978,123.52 and 10,426,440.64

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Solution

The fourth proportional to 35,985,414.40, 53,978,123.52 and 10,426,440.64 is: 15,639,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985,414.40 : 53,978,123.52 = 10,426,440.64 : x
  2. Step 2: Convert to fraction form
    35,985,414.40/53,978,123.52 = 10,426,440.64/x
  3. Step 3: Cross multiply
    35,985,414.40x = 53,978,123.52 × 10,426,440.64
  4. Step 4: Simplify right side
    35,985,414.40x = 562,799,700,739,867.94
  5. Step 5: Solve for x
    x = 562,799,700,739,867.94/35,985,414.40
  6. Step 6: Final answer
    x = 15,639,661.52

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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.