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Finding the Fourth Proportional to 64,886.80, 97,330.20 and 23,328.40

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Solution

The fourth proportional to 64,886.80, 97,330.20 and 23,328.40 is: 34,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,886.80 : 97,330.20 = 23,328.40 : x
  2. Step 2: Convert to fraction form
    64,886.80/97,330.20 = 23,328.40/x
  3. Step 3: Cross multiply
    64,886.80x = 97,330.20 × 23,328.40
  4. Step 4: Simplify right side
    64,886.80x = 2,270,557,837.68
  5. Step 5: Solve for x
    x = 2,270,557,837.68/64,886.80
  6. Step 6: Final answer
    x = 34,992.60

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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.