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Finding the Fourth Proportional to 28,975,124.40, 43,462,686.60 and 17,495,998.80

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Solution

The fourth proportional to 28,975,124.40, 43,462,686.60 and 17,495,998.80 is: 26,243,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,124.40 : 43,462,686.60 = 17,495,998.80 : x
  2. Step 2: Convert to fraction form
    28,975,124.40/43,462,686.60 = 17,495,998.80/x
  3. Step 3: Cross multiply
    28,975,124.40x = 43,462,686.60 × 17,495,998.80
  4. Step 4: Simplify right side
    28,975,124.40x = 760,423,112,598,376.12
  5. Step 5: Solve for x
    x = 760,423,112,598,376.12/28,975,124.40
  6. Step 6: Final answer
    x = 26,243,998.20

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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.