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Finding the Fourth Proportional to 64,544.04, 89,045.89 and 47,588.51

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Solution

The fourth proportional to 64,544.04, 89,045.89 and 47,588.51 is: 65,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,544.04 : 89,045.89 = 47,588.51 : x
  2. Step 2: Convert to fraction form
    64,544.04/89,045.89 = 47,588.51/x
  3. Step 3: Cross multiply
    64,544.04x = 89,045.89 × 47,588.51
  4. Step 4: Simplify right side
    64,544.04x = 4,237,561,330.37
  5. Step 5: Solve for x
    x = 4,237,561,330.37/64,544.04
  6. Step 6: Final answer
    x = 65,653.80

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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.