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Finding the Fourth Proportional to 64,018.48, 88,353.48 and 37,155.20

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Solution

The fourth proportional to 64,018.48, 88,353.48 and 37,155.20 is: 51,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018.48 : 88,353.48 = 37,155.20 : x
  2. Step 2: Convert to fraction form
    64,018.48/88,353.48 = 37,155.20/x
  3. Step 3: Cross multiply
    64,018.48x = 88,353.48 × 37,155.20
  4. Step 4: Simplify right side
    64,018.48x = 3,282,791,220.10
  5. Step 5: Solve for x
    x = 3,282,791,220.10/64,018.48
  6. Step 6: Final answer
    x = 51,278.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.