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Finding the Fourth Proportional to 64,005.86, 88,307.01 and 41,358.20

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Solution

The fourth proportional to 64,005.86, 88,307.01 and 41,358.20 is: 57,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,005.86 : 88,307.01 = 41,358.20 : x
  2. Step 2: Convert to fraction form
    64,005.86/88,307.01 = 41,358.20/x
  3. Step 3: Cross multiply
    64,005.86x = 88,307.01 × 41,358.20
  4. Step 4: Simplify right side
    64,005.86x = 3,652,218,539.45
  5. Step 5: Solve for x
    x = 3,652,218,539.45/64,005.86
  6. Step 6: Final answer
    x = 57,060.69

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1.5x scale

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.