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Finding the Fourth Proportional to 33,638,430.40, 47,221,348.40 and 33,638,430.40

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Solution

The fourth proportional to 33,638,430.40, 47,221,348.40 and 33,638,430.40 is: 47,221,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638,430.40 : 47,221,348.40 = 33,638,430.40 : x
  2. Step 2: Convert to fraction form
    33,638,430.40/47,221,348.40 = 33,638,430.40/x
  3. Step 3: Cross multiply
    33,638,430.40x = 47,221,348.40 × 33,638,430.40
  4. Step 4: Simplify right side
    33,638,430.40x = 1,588,452,041,547,551.25
  5. Step 5: Solve for x
    x = 1,588,452,041,547,551.25/33,638,430.40
  6. Step 6: Final answer
    x = 47,221,348.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.