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Finding the Fourth Proportional to 64,809.56, 89,437.21 and 35,001.56

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Solution

The fourth proportional to 64,809.56, 89,437.21 and 35,001.56 is: 48,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,809.56 : 89,437.21 = 35,001.56 : x
  2. Step 2: Convert to fraction form
    64,809.56/89,437.21 = 35,001.56/x
  3. Step 3: Cross multiply
    64,809.56x = 89,437.21 × 35,001.56
  4. Step 4: Simplify right side
    64,809.56x = 3,130,442,008.14
  5. Step 5: Solve for x
    x = 3,130,442,008.14/64,809.56
  6. Step 6: Final answer
    x = 48,302.16

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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.