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Finding the Fourth Proportional to 64,970.09, 97,455.03 and 47,313.03

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Solution

The fourth proportional to 64,970.09, 97,455.03 and 47,313.03 is: 70,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,970.09 : 97,455.03 = 47,313.03 : x
  2. Step 2: Convert to fraction form
    64,970.09/97,455.03 = 47,313.03/x
  3. Step 3: Cross multiply
    64,970.09x = 97,455.03 × 47,313.03
  4. Step 4: Simplify right side
    64,970.09x = 4,610,892,758.04
  5. Step 5: Solve for x
    x = 4,610,892,758.04/64,970.09
  6. Step 6: Final answer
    x = 70,969.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.