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Finding the Fourth Proportional to 61,607.32, 85,018.08 and 33,313

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Solution

The fourth proportional to 61,607.32, 85,018.08 and 33,313 is: 45,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,607.32 : 85,018.08 = 33,313 : x
  2. Step 2: Convert to fraction form
    61,607.32/85,018.08 = 33,313/x
  3. Step 3: Cross multiply
    61,607.32x = 85,018.08 × 33,313
  4. Step 4: Simplify right side
    61,607.32x = 2,832,207,299.04
  5. Step 5: Solve for x
    x = 2,832,207,299.04/61,607.32
  6. Step 6: Final answer
    x = 45,971.93

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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.