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Finding the Fourth Proportional to 64,152, 88,573.50 and 39,045.24

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Solution

The fourth proportional to 64,152, 88,573.50 and 39,045.24 is: 53,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152 : 88,573.50 = 39,045.24 : x
  2. Step 2: Convert to fraction form
    64,152/88,573.50 = 39,045.24/x
  3. Step 3: Cross multiply
    64,152x = 88,573.50 × 39,045.24
  4. Step 4: Simplify right side
    64,152x = 3,458,373,565.14
  5. Step 5: Solve for x
    x = 3,458,373,565.14/64,152
  6. Step 6: Final answer
    x = 53,909.05

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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.