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Finding the Fourth Proportional to 58,173.84, 87,088.38 and 35,915.64

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Solution

The fourth proportional to 58,173.84, 87,088.38 and 35,915.64 is: 53,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,173.84 : 87,088.38 = 35,915.64 : x
  2. Step 2: Convert to fraction form
    58,173.84/87,088.38 = 35,915.64/x
  3. Step 3: Cross multiply
    58,173.84x = 87,088.38 × 35,915.64
  4. Step 4: Simplify right side
    58,173.84x = 3,127,834,904.26
  5. Step 5: Solve for x
    x = 3,127,834,904.26/58,173.84
  6. Step 6: Final answer
    x = 53,767.04

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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.