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Finding the Fourth Proportional to 64,445.54, 96,668.13 and 17,698.46

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Solution

The fourth proportional to 64,445.54, 96,668.13 and 17,698.46 is: 26,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,445.54 : 96,668.13 = 17,698.46 : x
  2. Step 2: Convert to fraction form
    64,445.54/96,668.13 = 17,698.46/x
  3. Step 3: Cross multiply
    64,445.54x = 96,668.13 × 17,698.46
  4. Step 4: Simplify right side
    64,445.54x = 1,710,877,032.08
  5. Step 5: Solve for x
    x = 1,710,877,032.08/64,445.54
  6. Step 6: Final answer
    x = 26,547.64

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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.