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Finding the Fourth Proportional to 64,790.32, 97,185.48 and 37,068.88

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Solution

The fourth proportional to 64,790.32, 97,185.48 and 37,068.88 is: 55,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,790.32 : 97,185.48 = 37,068.88 : x
  2. Step 2: Convert to fraction form
    64,790.32/97,185.48 = 37,068.88/x
  3. Step 3: Cross multiply
    64,790.32x = 97,185.48 × 37,068.88
  4. Step 4: Simplify right side
    64,790.32x = 3,602,556,895.86
  5. Step 5: Solve for x
    x = 3,602,556,895.86/64,790.32
  6. Step 6: Final answer
    x = 55,603.32

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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.