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Finding the Fourth Proportional to 64,888.56, 97,309.08 and 31,598.64

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Solution

The fourth proportional to 64,888.56, 97,309.08 and 31,598.64 is: 47,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.56 : 97,309.08 = 31,598.64 : x
  2. Step 2: Convert to fraction form
    64,888.56/97,309.08 = 31,598.64/x
  3. Step 3: Cross multiply
    64,888.56x = 97,309.08 × 31,598.64
  4. Step 4: Simplify right side
    64,888.56x = 3,074,834,587.65
  5. Step 5: Solve for x
    x = 3,074,834,587.65/64,888.56
  6. Step 6: Final answer
    x = 47,386.39

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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.