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Finding the Fourth Proportional to 64,357.40, 96,317.40 and 56,484.20

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Solution

The fourth proportional to 64,357.40, 96,317.40 and 56,484.20 is: 84,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.40 : 96,317.40 = 56,484.20 : x
  2. Step 2: Convert to fraction form
    64,357.40/96,317.40 = 56,484.20/x
  3. Step 3: Cross multiply
    64,357.40x = 96,317.40 × 56,484.20
  4. Step 4: Simplify right side
    64,357.40x = 5,440,411,285.08
  5. Step 5: Solve for x
    x = 5,440,411,285.08/64,357.40
  6. Step 6: Final answer
    x = 84,534.35

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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.