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Finding the Fourth Proportional to 64,718.40, 97,077.60 and 23,150.40

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Solution

The fourth proportional to 64,718.40, 97,077.60 and 23,150.40 is: 34,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.40 : 97,077.60 = 23,150.40 : x
  2. Step 2: Convert to fraction form
    64,718.40/97,077.60 = 23,150.40/x
  3. Step 3: Cross multiply
    64,718.40x = 97,077.60 × 23,150.40
  4. Step 4: Simplify right side
    64,718.40x = 2,247,385,271.04
  5. Step 5: Solve for x
    x = 2,247,385,271.04/64,718.40
  6. Step 6: Final answer
    x = 34,725.60

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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.