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Finding the Fourth Proportional to 25,375,919.13, 35,018,803.80 and 13,773,484.98

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Solution

The fourth proportional to 25,375,919.13, 35,018,803.80 and 13,773,484.98 is: 19,007,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375,919.13 : 35,018,803.80 = 13,773,484.98 : x
  2. Step 2: Convert to fraction form
    25,375,919.13/35,018,803.80 = 13,773,484.98/x
  3. Step 3: Cross multiply
    25,375,919.13x = 35,018,803.80 × 13,773,484.98
  4. Step 4: Simplify right side
    25,375,919.13x = 482,330,968,156,866.88
  5. Step 5: Solve for x
    x = 482,330,968,156,866.88/25,375,919.13
  6. Step 6: Final answer
    x = 19,007,428.49

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1.5x scale

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.