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Finding the Fourth Proportional to 19,097,492.80, 28,604,248.80 and 16,578,068.80

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Solution

The fourth proportional to 19,097,492.80, 28,604,248.80 and 16,578,068.80 is: 24,830,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097,492.80 : 28,604,248.80 = 16,578,068.80 : x
  2. Step 2: Convert to fraction form
    19,097,492.80/28,604,248.80 = 16,578,068.80/x
  3. Step 3: Cross multiply
    19,097,492.80x = 28,604,248.80 × 16,578,068.80
  4. Step 4: Simplify right side
    19,097,492.80x = 474,203,204,578,717.50
  5. Step 5: Solve for x
    x = 474,203,204,578,717.50/19,097,492.80
  6. Step 6: Final answer
    x = 24,830,652.36

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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.