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Finding the Fourth Proportional to 64,187.63, 88,572.12 and 35,502.72

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Solution

The fourth proportional to 64,187.63, 88,572.12 and 35,502.72 is: 48,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,187.63 : 88,572.12 = 35,502.72 : x
  2. Step 2: Convert to fraction form
    64,187.63/88,572.12 = 35,502.72/x
  3. Step 3: Cross multiply
    64,187.63x = 88,572.12 × 35,502.72
  4. Step 4: Simplify right side
    64,187.63x = 3,144,551,176.17
  5. Step 5: Solve for x
    x = 3,144,551,176.17/64,187.63
  6. Step 6: Final answer
    x = 48,989.99

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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.