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Finding the Fourth Proportional to 64,416.64, 96,623.88 and 17,667.76

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Solution

The fourth proportional to 64,416.64, 96,623.88 and 17,667.76 is: 26,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.64 : 96,623.88 = 17,667.76 : x
  2. Step 2: Convert to fraction form
    64,416.64/96,623.88 = 17,667.76/x
  3. Step 3: Cross multiply
    64,416.64x = 96,623.88 × 17,667.76
  4. Step 4: Simplify right side
    64,416.64x = 1,707,127,522.11
  5. Step 5: Solve for x
    x = 1,707,127,522.11/64,416.64
  6. Step 6: Final answer
    x = 26,501.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.