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Finding the Fourth Proportional to 64,008.88, 88,336.50 and 35,715.18

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Solution

The fourth proportional to 64,008.88, 88,336.50 and 35,715.18 is: 49,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,008.88 : 88,336.50 = 35,715.18 : x
  2. Step 2: Convert to fraction form
    64,008.88/88,336.50 = 35,715.18/x
  3. Step 3: Cross multiply
    64,008.88x = 88,336.50 × 35,715.18
  4. Step 4: Simplify right side
    64,008.88x = 3,154,953,998.07
  5. Step 5: Solve for x
    x = 3,154,953,998.07/64,008.88
  6. Step 6: Final answer
    x = 49,289.32

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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.