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Finding the Fourth Proportional to 64,812.60, 97,206.90 and 18,055.80

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Solution

The fourth proportional to 64,812.60, 97,206.90 and 18,055.80 is: 27,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812.60 : 97,206.90 = 18,055.80 : x
  2. Step 2: Convert to fraction form
    64,812.60/97,206.90 = 18,055.80/x
  3. Step 3: Cross multiply
    64,812.60x = 97,206.90 × 18,055.80
  4. Step 4: Simplify right side
    64,812.60x = 1,755,148,345.02
  5. Step 5: Solve for x
    x = 1,755,148,345.02/64,812.60
  6. Step 6: Final answer
    x = 27,080.36

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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.