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Finding the Fourth Proportional to 70,007.66, 105,011.58 and 17,417.18

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Solution

The fourth proportional to 70,007.66, 105,011.58 and 17,417.18 is: 26,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.66 : 105,011.58 = 17,417.18 : x
  2. Step 2: Convert to fraction form
    70,007.66/105,011.58 = 17,417.18/x
  3. Step 3: Cross multiply
    70,007.66x = 105,011.58 × 17,417.18
  4. Step 4: Simplify right side
    70,007.66x = 1,829,005,590.94
  5. Step 5: Solve for x
    x = 1,829,005,590.94/70,007.66
  6. Step 6: Final answer
    x = 26,125.79

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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.