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Finding the Fourth Proportional to 64,038.52, 88,374.54 and 35,358.09

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Solution

The fourth proportional to 64,038.52, 88,374.54 and 35,358.09 is: 48,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,038.52 : 88,374.54 = 35,358.09 : x
  2. Step 2: Convert to fraction form
    64,038.52/88,374.54 = 35,358.09/x
  3. Step 3: Cross multiply
    64,038.52x = 88,374.54 × 35,358.09
  4. Step 4: Simplify right side
    64,038.52x = 3,124,754,740.22
  5. Step 5: Solve for x
    x = 3,124,754,740.22/64,038.52
  6. Step 6: Final answer
    x = 48,794.93

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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.