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Finding the Fourth Proportional to 64,924.80, 97,329.60 and 57,926.40

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Solution

The fourth proportional to 64,924.80, 97,329.60 and 57,926.40 is: 86,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,924.80 : 97,329.60 = 57,926.40 : x
  2. Step 2: Convert to fraction form
    64,924.80/97,329.60 = 57,926.40/x
  3. Step 3: Cross multiply
    64,924.80x = 97,329.60 × 57,926.40
  4. Step 4: Simplify right side
    64,924.80x = 5,637,953,341.44
  5. Step 5: Solve for x
    x = 5,637,953,341.44/64,924.80
  6. Step 6: Final answer
    x = 86,838.21

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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.