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Finding the Fourth Proportional to 58,535.04, 87,860.16 and 42,908.16

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Solution

The fourth proportional to 58,535.04, 87,860.16 and 42,908.16 is: 64,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,535.04 : 87,860.16 = 42,908.16 : x
  2. Step 2: Convert to fraction form
    58,535.04/87,860.16 = 42,908.16/x
  3. Step 3: Cross multiply
    58,535.04x = 87,860.16 × 42,908.16
  4. Step 4: Simplify right side
    58,535.04x = 3,769,917,802.91
  5. Step 5: Solve for x
    x = 3,769,917,802.91/58,535.04
  6. Step 6: Final answer
    x = 64,404.46

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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.