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Finding the Fourth Proportional to 64,762.02, 97,155 and 25,316.64

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Solution

The fourth proportional to 64,762.02, 97,155 and 25,316.64 is: 37,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,762.02 : 97,155 = 25,316.64 : x
  2. Step 2: Convert to fraction form
    64,762.02/97,155 = 25,316.64/x
  3. Step 3: Cross multiply
    64,762.02x = 97,155 × 25,316.64
  4. Step 4: Simplify right side
    64,762.02x = 2,459,638,159.20
  5. Step 5: Solve for x
    x = 2,459,638,159.20/64,762.02
  6. Step 6: Final answer
    x = 37,979.64

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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.