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Finding the Fourth Proportional to 64,699.40, 96,381.37 and 62,741.48

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Solution

The fourth proportional to 64,699.40, 96,381.37 and 62,741.48 is: 93,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,699.40 : 96,381.37 = 62,741.48 : x
  2. Step 2: Convert to fraction form
    64,699.40/96,381.37 = 62,741.48/x
  3. Step 3: Cross multiply
    64,699.40x = 96,381.37 × 62,741.48
  4. Step 4: Simplify right side
    64,699.40x = 6,047,109,798.23
  5. Step 5: Solve for x
    x = 6,047,109,798.23/64,699.40
  6. Step 6: Final answer
    x = 93,464.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.