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Finding the Fourth Proportional to 64,746.60, 97,062.30 and 38,423.40

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Solution

The fourth proportional to 64,746.60, 97,062.30 and 38,423.40 is: 57,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,746.60 : 97,062.30 = 38,423.40 : x
  2. Step 2: Convert to fraction form
    64,746.60/97,062.30 = 38,423.40/x
  3. Step 3: Cross multiply
    64,746.60x = 97,062.30 × 38,423.40
  4. Step 4: Simplify right side
    64,746.60x = 3,729,463,577.82
  5. Step 5: Solve for x
    x = 3,729,463,577.82/64,746.60
  6. Step 6: Final answer
    x = 57,600.92

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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.