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Finding the Fourth Proportional to 17,711,985.60, 26,567,978.40 and 16,116,350.40

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Solution

The fourth proportional to 17,711,985.60, 26,567,978.40 and 16,116,350.40 is: 24,174,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711,985.60 : 26,567,978.40 = 16,116,350.40 : x
  2. Step 2: Convert to fraction form
    17,711,985.60/26,567,978.40 = 16,116,350.40/x
  3. Step 3: Cross multiply
    17,711,985.60x = 26,567,978.40 × 16,116,350.40
  4. Step 4: Simplify right side
    17,711,985.60x = 428,178,849,314,031.38
  5. Step 5: Solve for x
    x = 428,178,849,314,031.38/17,711,985.60
  6. Step 6: Final answer
    x = 24,174,525.60

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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.