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Finding the Fourth Proportional to 64,720.58, 97,047.90 and 29,630.16

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Solution

The fourth proportional to 64,720.58, 97,047.90 and 29,630.16 is: 44,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,720.58 : 97,047.90 = 29,630.16 : x
  2. Step 2: Convert to fraction form
    64,720.58/97,047.90 = 29,630.16/x
  3. Step 3: Cross multiply
    64,720.58x = 97,047.90 × 29,630.16
  4. Step 4: Simplify right side
    64,720.58x = 2,875,544,804.66
  5. Step 5: Solve for x
    x = 2,875,544,804.66/64,720.58
  6. Step 6: Final answer
    x = 44,430.15

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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.