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Finding the Fourth Proportional to 64,934.59, 97,405.59 and 18,191.11

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Solution

The fourth proportional to 64,934.59, 97,405.59 and 18,191.11 is: 27,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,934.59 : 97,405.59 = 18,191.11 : x
  2. Step 2: Convert to fraction form
    64,934.59/97,405.59 = 18,191.11/x
  3. Step 3: Cross multiply
    64,934.59x = 97,405.59 × 18,191.11
  4. Step 4: Simplify right side
    64,934.59x = 1,771,915,802.30
  5. Step 5: Solve for x
    x = 1,771,915,802.30/64,934.59
  6. Step 6: Final answer
    x = 27,287.70

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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.