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Finding the Fourth Proportional to 64,897.70, 97,387.50 and 25,453.76

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Solution

The fourth proportional to 64,897.70, 97,387.50 and 25,453.76 is: 38,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,897.70 : 97,387.50 = 25,453.76 : x
  2. Step 2: Convert to fraction form
    64,897.70/97,387.50 = 25,453.76/x
  3. Step 3: Cross multiply
    64,897.70x = 97,387.50 × 25,453.76
  4. Step 4: Simplify right side
    64,897.70x = 2,478,878,052
  5. Step 5: Solve for x
    x = 2,478,878,052/64,897.70
  6. Step 6: Final answer
    x = 38,196.70

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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.